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PARTS MANUAL
PMS21ENG.000

HYDRAULIC HAMMER
RAMMER S 21
RAMMER S 21 CITY
RAMMER S 21 UNIRAM
SERIAL NO.
21AAA0005-UP
21ADA0005-UP
21ATA0005-UP
TABLE OF CONTENTS
1. Housing unit S 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2. Housing unit S 21 CITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3. Housing unit S 21 UNIRAM. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4. Low pressure accumulator S 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
5. High pressure accumulator S 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6. Pressure adjusting valve S 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
7. Tie rod S 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
8. Valve body and distributor S 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
9. Cylinder and piston S 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
10. Front head S 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
11. Lower tool bushing S 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
12. Seal set S 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

GENUINE RAMMER SPARE PARTS

Rammer genuine spare parts are designed and manufactured by using the latest technological
knowledge and engineering skills. Rammer spare parts are made of the best available materials
with the most advanced manufacturing techniques.

It is important that you use only genuine Rammer spare parts, to ensure easy operation, main-
tenance and repair of the product. Please note that eventual warranty claims will be handled only
if you have used genuine Rammer parts in your Rammer.

LOCATION OF THE SERIAL NUMBER

It’s important to make correct reference to the serial number of the product when ordering spare
parts. Identification of serial number is the only proper means of maintaining and identifying
parts for a specific product. The location of equipment serial number is pointed in “Operation
and mantenance” manual.

SPARE PART ORDERS

Quick spare part deliveries are secured by exact orders.

Required information:
• Name of customer and contact person
• Order number (when available)
• Delivery address
• Mode of delivery (air mail etc.)
• Required delivery date
• Invoicing address
• Model and serial number of the product
• Name, number and required amount of spare parts
 PARTS

© 2000 SANDVIK TAMROCK CORP. PARTS - Page 3

HOUSING UNIT S 21

1. HOUSING UNIT S 21

Item Description Part no. Specification Note Qty

402 Housing plates 100261 1
403 Buffer 400214 1
404 Hex. screw 900010 M16x50-10.9 DIN 933 8
405 Lock washer 90597 M16 NORD-LOCK 8
408 Hex. screw 91027 M20x70-8.8 DIN 931 4
409 Hex. nut 91017 M20-8 DIN 934 4
410 Lock washer 91010 M20 NORD-LOCK 8
411 Split pin 90345 10x70 DIN 7343 1

Kit Label set 400282 1

Page 4 - PARTS © 2000 SANDVIK TAMROCK CORP.

 HOUSING UNIT S 21 CITY

2. HOUSING UNIT S 21 CITY

Item Description Part no. Specification Note Qty

401 Housing plates 400392 1
403 Buffer 400214 1
404 Split pin 90345 10x70 DIN 7343 1
405 Damper, left 100300 1
406 Damper, right 100309 1
407 Hex. socket screw 91105 M16x70-8.8 DIN 912 6
408 Hex. screw 91027 M20x70-8.8 DIN 931 4
409 Hex. nut 91017 M20-8 DIN 934 4
410 Lock washer 91010 M20 NORD-LOCK 8
411 Upper muffler, right 200294 1
412 Upper muffler, left 200295 1
413 Buffer 200517 1
414 Lock washer 90597 M16 NORD-LOCK 6
415 Parallel pin 901101 10m6x70 DIN 6325 2

Kit Label set 300626 1

© 2000 SANDVIK TAMROCK CORP. PARTS - Page 5

HOUSING UNIT S 21 UNIRAM

3. HOUSING UNIT S 21 UNIRAM

Item Description Part no. Specification Note Qty

1 Housing plates 104109 1
2 Sleeve 300841 2
3 Buffer 400214 1
4 Hex. screw 900010 M16x50-10.9 DIN 933 12
5 Lock washer 90597 M16 NORD-LOCK 12
6 Split pin 90345 10x70 DIN 7343 1

Kit Label set 104111 1

Page 6 - PARTS © 2000 SANDVIK TAMROCK CORP.

 LOW PRESSURE ACCUMULATOR S 21

4. LOW PRESSURE ACCUMULATOR S 21

Item Description Part no. Specification Note Qty

1 Low pressure accumulator (incl. 300142 1
parts 101-110)
101 Accumulator bottom 200136 1
102 Accumulator cover 200137 1
103 Membrane 300177 1
104 O-ring 90030 D75 * 1
105 Hex. socket screw 91021 M12x50-8.8 DIN 912 4
106 Usit-ring 90056 D9 * 1
107 Filling plug 42074 1
108 Shield plug 400300 1
109 Lock washer 91012 M12 NORD-LOCK 12
110 O-ring 910006 D23 * 1
37 Hex. socket screw 900000 M12x70-8.8 DIN 912 8

*) Are included in seal set

© 2000 SANDVIK TAMROCK CORP. PARTS - Page 7

HIGH PRESSURE ACCUMULATOR S 21

5. HIGH PRESSURE ACCUMULATOR S 21

Item Description Part no. Specification Note Qty

2 High pressure accumulator (incl. 300143 1
parts 201-210)
201 Accumulator bottom 300144 1
202 Accumulator cover 300145 1
203 Membrane 300176 1

204 O-ring 90017 D34 * 1

205 Hex. socket screw 91045 M12x30-8.8 DIN 912 2
206 Usit-ring 90056 D9 * 1
207 Filling plug 42074 1
208 Shield plug 400300 1
209 Lock washer 91012 M12 NORD-LOCK 6
210 O-ring 910006 D23 * 1
36 Hex. socket screw 91021 M12x50-8.8 DIN 912 4

*) Are included in seal set

Page 8 - PARTS © 2000 SANDVIK TAMROCK CORP.

 PRESSURE ADJUSTING VALVE S 21

6. PRESSURE ADJUSTING VALVE S 21

Item Description Part no. Specification Note Qty

17 Pressure adjusting spool 300152 1
18 Spring housing 42076 1
19 Shim plate 41640 S=1 X
20 Shim plate 41639 S=0.5 X
23 Flange plug 90401 R3/4 1
27 Spring 90114 1
31 Seal 911036 D20 * 1

*) Are included in seal set

© 2000 SANDVIK TAMROCK CORP. PARTS - Page 9

TIE ROD S 21

7. TIE ROD S 21

Item Description Part no. Specification Note Qty

11 Tie rod nut 400143 4
12 Tie rod 300149 4
13 Lock plate 400144 4
21 Rubber ring 400215 4
38 Washer 91138 21 DIN 6916 4

Page 10 - PARTS © 2000 SANDVIK TAMROCK CORP.

 VALVE BODY AND DISTRIBUTOR S 21

8. VALVE BODY AND DISTRIBUTOR S 21

Item Description Part no. Specification Note Qty

3 Valve body (incl. part 25) 100113 1
14 Distributor 300385 1
15 Assembly ring 300157 1
16 Steering bush 300386 1
25 Flange plug 90403 R1/4 2
30 Seal 94156 D30 * 1
33 O-ring 90038 D57 * 2
34 O-ring 90001 D20 * 6
35 O-ring 94157 D10 * 2
39 Parallel pin 90371 6m6x18 DIN 6325 1

*) Are included in seal set

© 2000 SANDVIK TAMROCK CORP. PARTS - Page 11

CYLINDER AND PISTON S 21

9. CYLINDER AND PISTON S 21

Item Description Part no. Specification Note Qty

4 Cylinder (incl. part 26) 100114 1
5 Piston 200139 1
26 Flange plug 93203 R1/8 2
28 Wiper 94154 D45 * 1
29 Seal 94155 D45 * 1
39 Parallel pin 90371 6m6x18 DIN 6325 1

*) Are included in seal set

Page 12 - PARTS © 2000 SANDVIK TAMROCK CORP.

 FRONT HEAD S 21

10. FRONT HEAD S 21

Item Description Part no. Specification Note Qty

6 Front head (incl. part 41) 100253 1
8 Upper tool bushing 300148 1
9 Thrust ring 400141 1
10 Retaining pin 400142 D28 1
40 Locking pin 400301 2
41 Grease nipple 90201 R1/8 1

© 2000 SANDVIK TAMROCK CORP. PARTS - Page 13

LOWER TOOL BUSHING S 21

11. LOWER TOOL BUSHING S 21

Item Description Part no. Specification Note Qty

7 Lower tool bushing (incl. part 702) 101310 1
702 Seal 94159 D45 * 1

*) Are included in seal set

Page 14 - PARTS © 2000 SANDVIK TAMROCK CORP.

 SEAL SET S 21

12. SEAL SET S 21

Item Description Part no. Specification Note Qty

Kit Seal set (incl. parts 1-12) 42370 1
1 Wiper 94154 D45 1
2 Seal 94155 D45 1
3 Seal 94156 D30 1
4 Seal 911036 D20 1
5 Seal 94159 D45 1
6 O-ring 90038 D57 2
7 O-ring 90001 D20 6
8 O-ring 94157 D10 2
9 O-ring 90030 D75 1
10 O-ring 90017 D34 1
11 O-ring 910006 D23 2
12 Usit-ring 90056 U8.7-14-1 2

© 2000 SANDVIK TAMROCK CORP. PARTS - Page 15

Page 16 © 2000 SANDVIK TAMROCK CORP.
© 2000 SANDVIK TAMROCK CORP. Page 17
 SANDVIK TAMROCK CORP.
Breakers Lahti
Taivalkatu 8, P.O. Box 165, FIN-15101 Lahti, Finland
Phone Int. +358 205 44 161, Telefax Int. +358 205 44 160,
Internet http://www.rammer.com

15-40-14000-33-168-0
15-40-14000-45-120-252