LWCV ACTUATOR 4” BORE ASSEMBLY

AND
MAINTENANCE INSTRUCTIONS

CANDOC LWCV ACTUATOR - 4 INCH BORE MANUAL COPYRIGHT © 2009 CANRIG DRILLING TECHNOLOGY LTD.
ALL RIGHTS RESERVED
Information in this document is subject to change without notice. No part of this document may be reproduced or transmitted in any form
or by any means, electronic or mechanical, for any purpose, without the express written permission of Canrig Drilling Technology Ltd.

Printed in the United States of America.

 LWCV ACTUATOR ASSEMBLY AND INSTALLATION INSTRUCTIONS

Actuator Assembly & Interface Instructions:

AY12221 Actuator Assy, LWCV, CDTL, 8.45 x 3.82
AY12221-1 Actuator Assy, LWCV, CDTL, 8.45 x 3.06
AY12221-2 Actuator Assy, LWCV, CDTL, 8.45 x 3.82
AY12222 Guard Assy, Actuator, LWCV, 8.45 IN
AY12341-1 Kit, Interface, LWCV, 8.45 IN
AY14043 Anti-Rotation Kit, Interface, LWCV, 8.45 IN OD VLV
AY14260 Kit, Anti-Rotation, LWCV, 750T
SC10046 Maintenance Schedule LWCV Actuator
Assembly and Installation Instructions:
Canrig LWCV Actuator Assembly ..................................................................................... 1-13
LWCV Valve Stack Adjustment Instructions.................................................................... 15-16
LWCV Check Valve Installation Instructions ................................................................... 16-16

Revision July 2009 i

CANRIG LWCV Assembly Instructions

ii Revision January 2009

 CANRIG LWCV ACTUATOR ASSEMBLY - 4” BORE

Assembly Description Drawing Rev

AY12221 ACTUATOR ASSY, LWCV, CDTL, 8.45 X 3.82 AY12221 J

AY12221-1 ACTUATOR ASSY, LWCV, CDTL, 8.45 X 3.06 AY12221-1 B
AY12221-2 ACTUATOR ASSY, LWCV, CDTL 8.45 X 3.82 AY12221-2 A
AY12222 GUARD ASSY, ACTUATOR, LWCV, 8.45 IN AY12222 A
AY12341-1 KIT, INTERFACE, LWCV, 8.45 IN AY12341-1 C
AY14043 ANTI-ROTATION KIT, LWCV, 8.45 IN OD VLV AY14043 B
AY14260 KIT, ANTI-ROTATION, LWCV, 750T AY14260 B
SC10046 MAINTENANCE SCHEDULE, LWCV ACTUATOR SC10046 A

Revision July 2009 iii

 Canrig LWCV Assembly and Installation Instructions

iv Revision January 2009

 Engineering
Bill of Material

Part: AY12221
Description: ACTUATOR ASSY, LWCV, CDTL, 8.45, HYD
Eng ID: 6
Drawing ID: AY12221 Rev No: J
Item Qty Units Part ID Eng ID Description

57 2.00 EA DT14262 PLATE, STOP, LWCV ACTUATOR, 8.45 IN

58 4.00 EA HH-0375NC-0125-GR8-W CAPSCR, HEX HD, 3/8-16UNC x 1.25, GR8, W
59A 2.00 EA DT14159-015 SHIM, STOP PLATE, ACTUATOR, 0.015 THK
59B 2.00 EA DT14159-030 SHIM, STOP PLATE, ACTUATOR, 0.030 THK
59C 2.00 EA DT14159-060 SHIM, STOP PLATE, ACTUATOR, 0.060 THK
59D 2.00 EA DT14159-120 SHIM, STOP PLATE, ACTUATOR, 0.120 THK
60 2.00 EA H15-520120-08-06 ADAPTER, MALE 1/2 ORFS, MALE 3/8 ORB
61 2.00 EA H15-520112-08 CAP, 1/2 ORFS
62 1.00 EA DT18042 TUBE ASSY., LWCV 8.45"
R01 1.00 EA DT13773 PLATE, SERIAL NO., LWCV, 8.45 IN
R02 4.00 EA DS-U-0-188 SCREW, DRIVE, U-TYPE, #0 x 0.188 LG

Printed: 3/19/2009 Page 2 of 2

 Engineering
Bill of Material

Part: AY12221
Description: ACTUATOR ASSY, LWCV, CDTL, 8.45, HYD
Eng ID: 6
Drawing ID: AY12221 Rev No: J
Item Qty Units Part ID Eng ID Description

03 1.00 EA DT13632 SLEEVE, MTG, ACTUATOR, LWCV, 8.45 IN

04 2.00 EA DT13633 SLEEVE, INNER,ACTUATOR, 8.45, FINAL MACH
05 2.00 EA DT13634 8/RETAINER, BRG, ACTUATOR, LWCV, 8.45 IN
06 2.00 EA DT14355 HOUSING, BRG, ACTUATOR, LWCV, 8.45 IN
07 2.00 EA DT13636 SLEEVE, GUIDE, ACTUATOR, LWCV, 8.45 IN
08 4.00 EA DT12930 RETAINER PLATE
09 2.00 EA DT10715 HYDRAULIC CYLINDER
09A 0.00 EA S08-1038-010 SEAL KIT, CYL, 2 BORE, 1 3/8 ROD
10 2.00 EA DT10716 CYLINDER MOUNTING BRACKET
11 4.00 EA DT10717 RETAINING WASHER
12 2.00 EA DT10718 GROMMET
13 2.00 EA DT13642 RING, LABYRINTH, ACTUATOR, LWCV,8.45 IN
14 2.00 EA S01-1267-01N O-RING
15 2.00 EA M10168 RETNG RING, EXT, 8.50 SHAFT, 0.187 THK
16 2.00 EA S02-1018-010 WIPER, 8.997 ID x 9.501 OD x 0.151 SH
17 2.00 EA M10249 BRG, BALL, DEEP GROOVE
18 2.00 EA M10247 RETNG RING, INT, 13.75 BORE, 0.187 THK
19 2.00 EA M02-1041-010 BRG, PLAIN, 9.00 x 9.187 x 0.75
20 8.00 EA M12-1000-010 GREASE NIPPLE, 1/8 NPT, STRAIGHT
21 12.00 EA SH-0375NC-0100-W CAPSCR, HEX SOC HD, 3/8-16UNC x 1.00, W
22 12.00 EA LW-0375-IT LOCKWASHER, 3/8 INT TOOTH
23A 4.00 EA SH-0750NC-0100-W CAPSCR, HEX SOC HD, 3/4-10UNC x 1.00, WI
23B 4.00 EA SH-0750NC-0125-W CAPSCR, HEX SOC HD, 3/4-10UNC x 1.25, W
25 8.00 PAIR LW-0750-NL LOCKWASHER, 3/4 NORD-LOCK
29 2.00 EA LN-1000NC-GR8 LOCKNUT, 1-8UNC, GR8, STOVER
30 1.00 EA DT13643 RING, STOP, ACTUATOR, LWCV, 8.45 IN
31 2.00 EA FW-1000-A WASHER, F, 1, PLAIN, TYPE A
34 8.00 EA HH-0375NC-0075-GR8-W CAPSCR, HEX HD, 3/8-16UNC x 0.75, GR8, W
36 100.00 IN M21-2000-010 WIRE ROPE, 1/16" DIA
37 24.00 EA M19-3006-010 FERRULE, 1/16, OVAL, ALUMINUM
47 1.00 EA AY12222 0 GUARD ASSY, ACTUATOR, LWCV, 8.45 IN
48 1.00 EA DT13686 TUBE ASSY, LWCV, 8.45 IN (INACTIVE)
49 2.00 EA H15-090109B-06 PLUG, SOC HEX, 3/8 ORB
50 4.00 EA H15-070220-08-06 ELL 90°, MALE 1/2 JIC, MALE 3/8 ORB
52 1.00 EA AY14260 1 KIT, ANTI-ROTATION, LWCV, 750T
53 16.00 PAIR LW-0375-NL LOCKWASHER, 3/8 NORD-LOCK
54 2.00 EA H15-140109P-02 PLUG, SOC HEX, 1/8 NPT
55 1.00 EA DT13685 DEFLECTOR, MUD, LWCV, 8.45 IN
56 4.00 EA HH-0375NC-0100-GR8-W CAPSCR, HEX HD, 3/8-16UNC x 1.00, GR8, W

Printed: 3/19/2009 Page 1 of 2

 Engineering
Bill of Material

Part: AY12221-1
Description: ACTUATOR ASSY, LWCV, CDTL, 8.45 x 3.06
Eng ID: 2
Drawing ID: AY12221-1 Rev No: B
Item Qty Units Part ID Eng ID Description

01 1.00 EA AY12221 5 ACTUATOR ASSY, LWCV, CDTL, 8.45, HYD

02 2.00 EA DT15105 PINION, LWCV ACTUATOR

Printed: 2/12/2009 Page 1 of 1

 Engineering
Bill of Material

Part: AY12221-2
Description: ACTUATOR ASSY, LWCV, CDTL 8.45 x 3.82
Eng ID: 0
Drawing ID: AY12221-2 Rev No: A
Item Qty Units Part ID Eng ID Description

01 1.00 EA AY12221 5 ACTUATOR ASSY, LWCV, CDTL, 8.45, HYD

02 2.00 EA DT14521 PINION, 18T, ACTUATOR, LWCV , 8620

Printed: 2/12/2009 Page 1 of 1

 Engineering
Bill of Material

Part: AY12222
Description: GUARD ASSY, ACTUATOR, LWCV, 8.45 IN
Eng ID: 0
Drawing ID: AY12222 Rev No: A
Item Qty Units Part ID Eng ID Description

01 2.00 EA DT13644 GUARD, CYLINDER, ACTUATOR, LWCV, 8.45 IN

02 2.00 EA DT13645 GUARD, HINGE PLATE, LWCV, 8.45 IN
03 8.00 EA 1006-038-150 PIN, 0.38 DIA, 1.50 LG, HEAD/R
04 4.00 EA M24-2000-010 SAFETY PIN
05 16.00 EA M19-3006-010 FERRULE, 1/16, OVAL, ALUMINUM
06 6.00 FT M21-2000-010 WIRE ROPE, 1/16" DIA
07 2.00 EA DT13399 BUMPER, GUARD, LWCV
08 4.00 EA LN-0250NC-GR8 LOCKNUT, 1/4-20UNC, GR8, STOVER
09 4.00 EA FW-0250-A WASHER, F, 1/4, PLAIN, TYPE A
10 4.00 EA BH-0250NC-0050 CAPSCR, BUTTON SOC HD, 1/4-20UNC x 0.50
11 4.00 EA M24-3001-010 COTTER PIN, 1/8 x 1.00

Printed: 2/12/2009 Page 1 of 1

 IF IN DOUBT.......PLEASE ASK!
15.65 REF

6 5 3

16.10 REF
1
7

22.14 REF

1
15.50 REF

3 5 6 3 5 6

1
10 8 9 4 5 6
2

ISOMETRIC VIEW
7

2 4 5 6
11

DRAWN JAS 04/03/02

WELDING PROCEDURE UNLESS NOTED OTHERWISE AS PER CANRIG SPECIFICATION - ENG 704 CHECKED FJY 04/04/21
THIS PRINT AND DESIGN AND DETAIL TOLERANCE - UNLESS OTHERWISE SPECIFIED APPRV'D JRS- 04/04/21 CANRIG DRILLING
SHOWN THEREON ARE THE PROPERTY REMOVE SHARP CORNERS AND BURRS FABRICATING [METRIC] MATERIAL TECHNOLOGY LTD.
AND INVENTION OF CANRIG DRILLING CASTING ± 1/16 MACHINING IMPERIAL
TECHNOLOGY LTD.. THIS PRINT IS CONCENTRICITY .005 TIR 0 TO 600 mm ± 1 mm
STRAIGHTNESS ± .005 IN 5 INCHES > 600 mm ± 3 mm DECIMAL .x
FURNISHED WITH THE UNDERSTANDING ± .030" -
THAT IT IS NOT TO BE REPRODUCED
WITHOUT PERMISSION AND RETURNED
SQUARENESS
PARALLELISM
± .010 IN 5 INCHES
± .010 IN 5 INCHES FABRICATING IMPERIAL .xx
.xxx
± .015" GUARD ASSY, ACTUATOR,
± .005"
A 05/02/09 JAS ECN 1105; VISUAL UPDATE ONLY TO REFLECT GUARD CHANGES. SEA FJY UPON DEMAND. ALL RIGHTS OF DESIGN TRUE POSITION
MACHINED SURFACES 125
.005 0 TO 24"
> 24"
± 1/16"
± 1/8"
LWCV, 8.45 IN
AND INVENTION ARE RESERVED BY EST. WEIGHT SCALE PROJECT
No. Y/M/D BY REVISION CHK'D APVD CANRIG DRILLING TECHNOLOGY LTD..
MIN. RADIUS UNLESS SHOWN = 0.03 MAX. ANGULAR ± 2° ANGULAR ± 1° 22 LBS 1:4 - AY12222 REV A
IF IN DOUBT.......PLEASE ASK!
 Engineering
Bill of Material

Part: AY12341-1
Description: KIT, INTERFACE, LWCV, 24V, 8.45 IN
Eng ID: 2
Drawing ID: AY12341-1 Rev No: C
Item Qty Units Part ID Eng ID Description

04 1.00 EA F451JSJ7080808-36.00-X-32.9 0 HOSE ASSY, 1/2, SWV STR, 45° ELL, 36.00
05 1.00 EA F451JSJS080808-37.3-X-34.5 0 HOSE ASSY, 1/2, SWV STR, SWV STR, 37.3
10 5.00 EA H15-520220-08-08 ELL 90°, MALE 1/2 ORFS, MALE 1/2 ORB
16 0.00 EA AY12221 5 ACTUATOR ASSY, LWCV, CDTL, 8.45, HYD
17 3.00 FT M21-2000-010 WIRE ROPE, 1/16" DIA
18 4.00 EA M19-3006-010 FERRULE, 1/16, OVAL, ALUMINUM
19 1.00 EA H10255 VLV, HYD, CBAL, 3:1 RATIO, SAE-8, D05
20 1.00 EA F451JSJ9080808-43.25-X-40.5 0 HOSE ASSY, 1/2, SWV STR, 90 SHT, 43.25
21 1.00 EA F451JSJ9080808-41-X-38.25 0 HOSE ASSY, 1/2, SWV STR, 90° SHT, 41
28 2.00 EA HH-0312NC-0175-GR8-W CAPSCR, HEX HD, 5/16-18UNC x 1.75, GR8,W
29 1.00 EA H25-1005-010 CLAMP, DOUBLE, 3/4 IN DIA
32 2.00 EA F451JSJ7080808-92.57-X-89.5 0 HOSE ASSY, 1/2, SWV STR, 45° ELL, 92.57
33 3.00 EA H15-520120-08-08 ADAPTER, MALE 1/2 ORFS, MALE 1/2 ORB
34 1.00 EA H15-520221-08 ELL 90°, MALE 1/2 ORFS, FEM SWV 1/2 ORFS
36 1.00 EA H10252 VLV, HYD, PRESSURE REDUCING, SAND, D03
38 15.00 FT E03-1023-010 CABLE, 4 C #16 AWG, EXANE, 600V
39 2.00 EA E04-2002-010 STRAIN RELIEF, 1/2 NPT, 0.375 - 0.500
40B 1.00 EA H10059 VLV, HYD, DIR, 3 POS, 4 WAY, 24V, D03
41B 4.00 EA H13-1036-588 0 THREADED ROD, 10-24 x 5.88 IN LG
42 4.00 EA H13-1035-01A STUDNUT, 10 - 24
46 8.00 EA E03-2000-010 CABLE TIE, 13.4 IN LG, 120 LB
49 1.00 EA H07-1010-030 CHECK VALVE
R01 1.00 EA 1028-XXX CHART, TOOL JOINT CLAMP
R02 1.00 EA H12-1002-010 MANIFOLD, TAP-IN, D03 SAE
R03 2.00 EA H22-1000-010 TEST STATION, #4 SAE
REF 1.00 EA SC10048-1 SCHEMATIC, 8.45in LWCV, NON-INT, 120 VAC
REF 1.00 EA SC10046 SCHEDULE, MAINTENANCE, LWCV

Printed: 2/12/2009 Page 1 of 1

 Engineering
Bill of Material

Part: AY14043
Description: KIT, ANTI-ROTATION, LWCV, 8.45IN OD
VLV
Eng ID: 0
Drawing ID: AY14043 Rev No: B
Item Qty Units Part ID Eng ID Description

01 1.00 EA DT16104 1 BRACKET, ANTI-ROTATION,LWCV,4IN ACT(OBS)

02 4.00 EA SH-0375NC-0100-W CAPSCR, HEX SOC HD, 3/8-16UNC x 1.00, W
03 4.00 EA LW-0375-IT LOCKWASHER, 3/8 INT TOOTH
04 1.00 FT M21-2000-010 WIRE ROPE, 1/16" DIA
05 2.00 EA M19-3006-010 FERRULE, 1/16, OVAL, ALUMINUM
06 4.00 EA FW-0375-A WASHER, F, 3/8, PLAIN, TYPE A

Printed: 2/12/2009 Page 1 of 1

 Engineering
Bill of Material

Part: AY14260
Description: KIT, ANTI-ROTATION, LWCV, 750T
Eng ID: 2
Drawing ID: AY14260 Rev No: B
Item Qty Units Part ID Eng ID Description

01 1.00 EA DT16714 0 BRACKET, ANTI-ROTATION, LWCV, 750T

02 4.00 EA SH-0375NC-0075-W CAPSCR, HEX SOC HD, 3/8-16UNC x 0.75
03 4.00 EA LW-0375-IT LOCKWASHER, 3/8 INT TOOTH
04 1.00 FT M21-2000-010 WIRE ROPE, 1/16" DIA
05 2.00 EA M19-3006-010 FERRULE, 1/16, OVAL, ALUMINUM
06 4.00 EA FW-0375-A WASHER, F, 3/8, PLAIN, TYPE A
07 8.00 EA DT17025 SHIM, ANTI ROTATION

Printed: 7/7/2009 Page 1 of 1

 IF IN DOUBT......PLEASE ASK!

PLACE ITEM 1 AS SHOWN

A
7

1
2 3 4 5 6

1/8

DETAIL A
1:1 SHEET 1OF
OF1 1
DRAWN RDW 07/06/15
WELDING PROCEDURE AS PER CANRIG SPECIFICATION - ENG 704, UNLESS NOTED OTHERWISE CHECKED SEA 07/07/03
THIS PRINT AND DESIGN AND DETAIL REMOVE SHARP CORNERS AND BURRS TOLERANCE - UNLESS OTHERWISE SPECIFIED APPRV'D DAA 07/07/03 CANRIG DRILLING
SHOWN THEREON ARE THE PROPERTY CASTING ± 1/16 FABRICATING IMPERIAL FABRICATING [METRIC]
CONCENTRICITY .005 TIR 0 TO 24" ± 1/16" 0 TO 610 mm ± 1 mm
MATERIAL TECHNOLOGY LTD.
AND INVENTION OF CANRIG DRILLING
STRAIGHTNESS ± .005 IN 5 INCHES 24" to 60" ± 1/8" 610 TO 1525 ± 3 mm
TECHNOLOGY LTD.. THIS PRINT IS ± 3/16" 1525 TO 3048 ± 5 mm
SQUARENESS ± .010 IN 5 INCHES 60" to 120"
FURNISHED WITH THE UNDERSTANDING 120" to 280" ± 1/4" 3048 TO 7112 ± 7 mm
PARALLELISM ± .010 IN 5 INCHES
B 08/05/05 VM CHG ITEM 1 WAS DT16356 NOW DT16714, BRACKET NOW WORKS FOR 3" & 4" GRY SEA THAT IT IS NOT TO BE REPRODUCED
WITHOUT PERMISSION AND RETURNED
FLATNESS ± .010 or as Shown 280" & OVER ± 1/2" 7112 & OVER ± 13 mm KIT, ANTI-ROTATION, LWCV, 750T
TRUE POSITION .005 MACHINING IMPERIAL ANGULAR
-A 07/07/25 SEA CHG ITEM 2 TO 1 IN WAS 1/2 LG; ADDED ITEM 6 FLATWASHER DAA FJY UPON DEMAND. ALL RIGHTS OF DESIGN
MACHINED SURFACES 125 DECIMAL .x ± .030" MACHINING ± .1°
AND INVENTION ARE RESERVED BY FABRICATION ± .2° EST. WEIGHT SCALE PROJECT
No. Y/M/D BY REVISION CHK'D APVD CANRIG DRILLING TECHNOLOGY LTD..
MIN. RADIUS UNLESS SHOWN = 0.03 MAX.
.xx ± .015"
.xxx ± .005" 0.0 lbm 1:2 - AY14260 REV B
IF IN DOUBT......PLEASE ASK!
 IF IN DOUBT......PLEASE ASK!

REMOVE THE TWO PINS AND

OPEN THE DOOR. GREASE
THE INNER SLEEVE RACKS,
TWO SHOTS ONCE A WEEK.
ROTATE THE ACTUATOR 90
DEGREES AND REPEAT THIS GREASE THE BEARINGS TWO
PROCEDURE. SHOTS EVERY 6 MONTHS.
CONTINUE UNTIL ALL SIX OVER- GREASING THE BEARINGS
LOCATIONS ARE GREASED. WILL LEAD TO OVERHEATING.

WEEKLY MAINTENANCE 6 MONTH MAINTENANCE

DRAWN JAS 04/07/16
WELDING PROCEDURE UNLESS NOTED OTHERWISE AS PER CANRIG SPECIFICATION - ENG 704 CHECKED FJY 04/07/30
THIS PRINT AND DESIGN AND DETAIL TOLERANCE - UNLESS OTHERWISE SPECIFIED APPRV'D FJY 04/07/30 CANRIG DRILLING
SHOWN THEREON ARE THE PROPERTY MATERIAL TECHNOLOGY LTD.
AND INVENTION OF CANRIG DRILLING REMOVE SHARP CORNERS AND BURRS FABRICATING [METRIC] MACHINING IMPERIAL
TECHNOLOGY LTD.. THIS PRINT IS CASTING ± 1/16
0 TO 600 mm ± 1 mm
FURNISHED WITH THE UNDERSTANDING CONCENTRICITY .005 TIR > 600 mm ± 3 mm DECIMAL .x ± .030"
-
THAT IT IS NOT TO BE REPRODUCED
WITHOUT PERMISSION AND RETURNED
STRAIGHTNESS
SQUARENESS
± .005 IN 5 INCHES
± .010 IN 5 INCHES FABRICATING IMPERIAL
.xx
.xxx
± .015" MAINTENANCE SCHEDULE,
± .005"
A 04/10/20 JAS REMOVE "REPLACE GREASE FITTINGS WITH PLUGS..." NOTE UPON DEMAND. ALL RIGHTS OF DESIGN PARALLELISM
TRUE POSITION
± .010 IN 5 INCHES
.005
0 TO 24" ± .06" LWCV ACTUATOR
AND INVENTION ARE RESERVED BY > 24" ± .12" EST. WEIGHT SCALE PROJECT
No. Y/M/D BY REVISION CANRIG DRILLING TECHNOLOGY LTD.. MACHINED SURFACES 125
ANGULAR ± 2° ANGULAR ± 1° - - - SC10046 REV A

IF IN DOUBT......PLEASE ASK!
 LWCV ACTUATOR
ASSEMBLY INSTRUCTIONS

CANDOC LWCV ACTUATOR MANUAL COPYRIGHT © 2009 CANRIG DRILLING TECHNOLOGY LTD.
ALL RIGHTS RESERVED
Information in this document is subject to change without notice. No part of this document may be reproduced or transmitted in any form
or by any means, electronic or mechanical, for any purpose, without the express written permission of Canrig Drilling Technology Ltd.

Printed in the United States of America.

 CANRIG LWCV ACTUATOR ASSEMBLY
Clean all machined surfaces with Varsal, Bright Clean or equivalent.
1) Install the ball bearing (17) into the bearing housing (6) using a rubber
mallet until firmly seated.
2) Install the bearing retaining ring (18) into the groove in the bearing housing
(6).

18
17

Figure 1
3) Repeat above two steps (1 & 2) for the second bearing housing.
4) Install one labyrinth ring (13) onto each of the two inner sleeves (4) ensuring
that the tapered surface is facing the side where the racks are present.

13

Figure 2
5) Place the bearing/ housing assembly onto the inner sleeve (4) and use a
rubber mallet to tap on the top of the bearing inner race until the bearing
inner race is seated on the inner sleeve.
6) Install one plug (54) and one grease fitting (20) in the bearing housing
assembly.
Revision January 2009 1 of 18
Canrig LWCV Assembly Instructions
20

Bearing/
Housing
Assembly

54
4

Figure 3
7) Grease the bearing through the grease fitting while rotating the bearing.
Visually ensure that the grease fills the bearing consistently and that no dry
areas exist in the bearing.
8) Repeat the same for the other bearing housing assembly and inner sleeve.
9) Install the Guide Sleeve (7) into the ID of the inner sleeve (4) until it is
seated on the lower shoulder and that the tab on the end of the guide sleeve
fit properly into the notch in the inner sleeve.
10) Install the plain bearing strip (19) into the ID of the inner sleeve (4) until it is
seated on top of the guide sleeve (7).

19
7

Tab

Notch
4

Lower
shoulder
Figure 4
11) Repeat step 9 & 10 for the other inner sleeve.
12) Place bearing retainer (5) on top of the bearing housing (6), ensuring that all
six holes are properly aligned with holes in the bearing housing.

Revision January 2009 2 of 18

 Canrig LWCV Assembly Instructions
13) Install the six 3/8” socket head cap screws (21) and lock washers (22)
ensuring that all threads are coated with Loctite 242. Torque to 40 ft. lbs.
Install safety wire (36) and ferrules (37) through all bolts.
14) Install the wiper (16) into the ID groove of the bearing retainer (5).

16
21, 22 Note orientation

5
18
6
6
16

Figure 5
15) Repeat steps 12, 13 & 14 for the other bearing housing/ inner sleeve
assembly.
16) Install the inner sleeve/bearing housing assembly onto the mounting sleeve
(3) - slide the assembly down until the top of the bearing retainer (5) is
approximately flush with the end of the tapered portion of the mounting
sleeve.

Bearing
Housing/ Inner
Sleeve
Assembly

Note orientation of
3
rack to hole in
mounting sleeve
Figure 6
17) Turn the assembly over and repeat step 16. Use the pinion (2) to space the
racks in the approximate location- the hole in the mounting sleeve (3)
should be located between the racks at this time.

Revision January 2009 3 of 18

 Canrig LWCV Assembly Instructions

Bearing
Housing/ Inner 3
Sleeve
Assemblies

Figure 7
18) Ensure that the valve (1) is in the closed position (see Figure 9).
19) Standard valve only (see Figure 8a): Place the valve (1) vertically on the
box end. Install a retaining ring (15) into the upper groove on the OD of the
valve body. Turn the valve body over to sit on the pin end. Install the stop
ring (30) until it rests on the pin end retaining ring (15).
20) Install two o-rings (14) into the two middle o-ring grooves on the OD of the
valve body.

7.70 OD 8.45 OD

1 1
14 14

30 15
7.70 OD

Figure 8a Figure 8b
Standard 7.70 OD Valve Stepped 8.45 x 7.70 OD Valve
3.06 ID ONLY

21) Grease the o-rings prior to installing the mounting sleeve (3).
22) Note: it is important at this time to verify the timing of the valve with the
actuator. This can be done by looking at the crank socket- identify the
socket that opens the valve when it is turned counterclockwise. The upper

Revision January 2009 4 of 18

 Canrig LWCV Assembly Instructions
rack should be located on the left of the socket when it is installed on the
valve.

Identify side of valve

that opens the valve
when rotated in
counterclockwise
direction as shown

Notch as shown
indicates valve is
closed – assemble
actuator with valve
in this position

Figure 9

23) Standard valve only (see Figure 8a): With the valve in the closed
position, install the inner sleeve/ bearing housing assembly on the OD of the
valve body and slide it down until it is seated against the top of the stop ring
(30). Ensure that the holes in the mounting sleeve are aligned with the two
crank sockets in the valve and verify the rack location per step 22.
24) Not Applicable

Revision January 2009 5 of 18

Canrig LWCV Assembly Instructions

Inner Sleeve / Components to

Bearing Housing be aligned as
Assembly shown

Figure 10
25) Align the outer scribed grooves on the upper and lower racks with the
centerline of the crank socket.
26) Install one pinion (2) into the crank socket ensuring that the scribe lines on
the face of the pinion are aligned with the outer scribed grooves on the
racks. Move the racks towards the pinion until teeth are engaged.

Install pinion
with rack
aligned as
shown
2
Figure 11
27) Install the opposing pinion (2) into the opposite crank socket. It may be
necessary to tap on the back side of the rack to allow the insertion of the
pinion.
Caution must be exerted when installing the pinion not to damage the
rack teeth. If the pinion will not install easily into the socket, then
adjust rack positions to ease insertion. Do not hammer pinion into
place, light tapping is acceptable.

Revision January 2009 6 of 18

 Canrig LWCV Assembly Instructions
28) Verify the function of the actuator by opening and closing the valve using a
7/8” hex wrench. If the actuator does not open and close, remove pinions,
rotate actuator 180 degrees on valve and repeat steps 22-27.
29) Standard valve only (see Figure 8a): Install the upper retaining ring (15)
into the groove above the mounting sleeve.

15

Figure 12
30) Install the four pinion retainers (8), two per pinion using button socket head
cap screws (34) and Nord-lock washers (53). Torque the button socket cap
screw to 31 ft-lb.
31) Install the six grease fittings (20) in the racks. Grease two shots in each
fitting.

20

8
20

34, 53

Figure 13
32) On each of the two cylinders (9), install washer (11), grommet (12), bracket
(10), washer (11), washer (31) with locknut (29) - torque to 350 ft/lbs.

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Canrig LWCV Assembly Instructions

10
11

12

11
31
29
Figure 14
33) Install the cylinder assembly by mounting the bracket on the rod end (10) to
the lower bearing housings (6) using ¾” x 1” long socket head cap screw
(23A) and lock washer (25) - apply anti-seize to bolts prior to installation.
Hand tighten only at this time.
34) Align the holes in the upper bracket of the cylinder assembly to the holes in
the side of the upper bearing housing.
35) Mount the upper cylinder bracket using two 1-1/4” long socket head cap
screws (23B) and lock washers (25) - apply anti-seize to bolts prior to
installation. Turn the actuator to the opposite side and mount the other
cylinder using one 1-1/4” long socket head cap screws (23B) on the left side
and one 1-1/2” long socket head cap screws (23C) on the right side and
lock washers (25). Hand tighten only at this time.
36) Torque lower bracket (10) ¾” socket head cap screws to 350 ft/lbs. Do not
torque upper cylinder bolts at this time. Safety wire bolts after tightening to
specified torque.

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 Canrig LWCV Assembly Instructions

52

23B, 25
23B, 25

Grease fitting
this side

10 10

23A, 25
23A, 25 Plug
Cylinder this side
Assy
Cylinder
Assy

Figure 15 Figure 16

37) Install the four elbow fittings (50) into the cylinders facing inward. Install two
hydraulic tubes (48) onto the fittings (50). Ensure adequate clearance
between tube and moving parts on actuator. Temporarily install guard (47)
on actuator and ensure that the tube seats between the tabs inside the
guard- adjust tube as necessary. Tighten all fittings.

50

48

Hydraulic tubes to be
mounted on bracket
side of actuator

Figure 17
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Canrig LWCV Assembly Instructions
38) Install 0.060 thick shim (59C) and stop plate (57) onto lower bearing
housing (6) using lock washers (53) and 3/8 hex head cap screws (58). Do
not tighten at this time. Repeat for other side.

57

53, 58
6

59

Figure 18
39) Open the valve completely. Ensure that valve is fully open by visually
inspecting bore- also inspect stops to ensure that no clearance exists
between stops and upper bearing housing. Adjust stop height as necessary
if the valve is not opening completely or the stops are not contacting the
upper bearing housing by replacing 0.060 thick shim (59C) with 0.015 thick
shim (59A) or 0.030 thick shim (59B). Tighten the 3/8” bolts to 40 ft/lbs.

Inspect valve to
ensure valve is
fully open

Inspect to
ensure valve
is resting
against stops

Figure 19
Figure 20

40) Remove socket head cap screws (23A, 23B and 23C) and lock washers
(25) from the upper cylinder bracket.

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 Canrig LWCV Assembly Instructions
41) Remove the four safety pins and the 3/8” diameter hinge pins on the guard
(47) to separate the guard into two assemblies.
42) Install one of the side guard assemblies on the cylinder bracket using ¾” x
1-1/4” long socket head cap screws (23B) and lock washers (25). Install
two 3/8 x 1” long hex head cap screws (56) and lock washers (53). Rotate
the actuator to the opposite side and install the other side guard assembly
using one 1-1/4” long socket head cap screws (23B) and lock washer (25).
Mount the anti-rotation bracket (locate from anti-rotation kit (52)- AY14043
using the 3/8 x 1” long socket head cap screws, flat washers and lock
washers. Torque ¾” socket head cap screws to 350 ft/lbs and torque 3/8”
socket head cap screws to 40 ft/lbs. Safety wire bolts after tightening to
specified torque.

23B, 25

52

Figure 21
Figure 22
43) Close the side guards and ensure that the hydraulic tubes (48) are centered
in the tabs located inside the guards. Adjust the hydraulic tubes as
necessary. Replace the 3/8” diameter hinge pins and the four safety pins.
Check to ensure that all safety and hinge pins are properly wired.

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 Canrig LWCV Assembly Instructions

Check for proper

fit of hydraulic
tubes within guide
tabs

Figure 23
44) Position the actuator on the side opposite of the hydraulic tubes. Install the
two plugs (49) on the right hand cylinder (upper and lower ports). Install the
two adapters (60) and the caps (61) on the left hand cylinder (upper and
lower ports).
45) Slide the mud deflector (55) over the box end of the valve until it seats
against the upper retaining ring (15).

55
49
60, 61

Figure 24

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 Canrig LWCV Assembly Instructions
46) Locate serial number plate (R01) in position. Using the serial number plate
as a template, drill four #40 (0.098 diameter) holes in cylinder guard. Mount
serial number plate (R01) to guard using four drive screws (R02).

R02

R01

Figure 25

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 Canrig LWCV Assembly Instructions
LWCV VALVE STACK ADJUSTMENT INSTRUCTIONS
For integrated style manifolds
Refer to Canrig drawing number AY12341-1
1) Locate test port labeled ‘GA-5’ on hydraulic manifold assembly- it is
located directly under the LWCV valve stack on the hydraulic manifold.
This will be the test port for the high pressure side of the LWCV hydraulic
system- note that the high pressure side must be set before the low
pressure side is set.
2) Remove protective cap from test port and install gauge fitting to test port.
3) Remove protective cap from high pressure reducing valve (located in the
hydraulic manifold body- labeled ‘20E’). Loosen the locknut securing the
adjusting screw.
4) Function actuator open and closed. Note pressure reading on gauge-
regulate the adjusting screw in order to obtain the proper pressure
reading. The pressure should be set to 2200 psi. Continue to operate the
actuator as required to maintain pressure in the system.
5) Once the correct pressure is obtained, hold the adjusting screw in position
with the hex wrench and tighten the locking nut.
6) Operate the actuator to verify that the pressure is correct.
7) Remove pressure gauge from the test port and replace the protective cap.
8) Replace the protective cap on the pressure reducing valve.
9) Locate test port labeled ‘GB-5’ on hydraulic manifold assembly. This will
be the test port for the low pressure side of the LWCV hydraulic system.
10) Remove protective cap from test port and install gauge fitting to test port.
11) Locate the low pressure reducing valve in the LWCV valve stack- it will be
the valve directly under the directional valve. Remove protective cap and
loosen the locknut securing the adjusting screw.
12) Function actuator open and closed. Note pressure reading on gauge-
regulate the adjusting screw in order to obtain the proper pressure
reading. The pressure should be set to 1100 psi. Continue to operate the
actuator as required to maintain pressure in the system.
13) Repeat steps 18 - 21 as shown above to complete setting the low
pressure side of the LWCV system.

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LWCV CHECK VALVE INSTALLATION INSTRUCTIONS
Procedure for installing check valve in LWCV hydraulic valve stack.
1) Relieve pressure on system by turning HPU off- lock out HPU as
necessary to prevent start-up during the check valve installation.
2) Relieve pressure on system by operating link tilt or other hydraulic
function.
3) Thoroughly clean valve stack and manifold around valve stack to eliminate
contamination of hydraulic system.
4) Remove solenoid from top of valve stack.
5) Remove four nuts from retaining studs on valve stack.
6) Remove all valves (proportional valve and pressure reducing valve(s) from
valve manifold. Note location of each valve as it is critical that they are
reinstalled in their original orientation.
7) Unscrew four studs from hydraulic manifold and discard.
8) Screw new longer studs into manifold block.
9) Install check valve on manifold. Ensure that the alignment pin hole is
aligned with pin hole in manifold for correct orientation- see Figure 1.

Alignment Pin
Hole

Figure 26
Mounting Side View
10) Install previously removed valves in reverse order as noted in step 6.
11) Install hex nuts on studs and tighten.
12) Replace solenoid on valve stack.
13) Unlock HPU, turn on and check system for leaks. Cycle LWCV actuator to
verify function.

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