14/03/2024, 06:02 SIS 2.

336 Excavator TA2 Technical Inspection {0372, 0374, 1000, 7000, 753T, 7565} (M0101559-01)

SMCS - 0372, 0374, 1000, 7000, 753T, 7565 i07621404

Excavator
336 (S/N: SP91-UP; TPK1-UP; FEL1-UP; GDY1-UP)
PSP
Introduction 202 -0007
4
09: /03/1 7FBF
Inspections are the most basic form of condition monitoring. Inspections are easy to do and
surprisingly effective at helping you spot equipment health issues. Proactive monitoring and
0
M0 2:38- 4
analysis of equipment information will allow Dealers to intervene effectively before problems
occur.

1
© 2 0155 03:00
Note: Before adjusting product settings to comply with listed baseline TA2 values, consult SIS for
the latest specification values.
024 9
Cat
Note: Specification values are based on the following machine settings unless stated
otherwise
erp
Engine Speed Dial "7" illa
r In
AEC OFF
c.
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Electrical System
Table 1

Status(1) Description Specification Actual Comments

Cables between the battery, the
starter, and the engine ground must be
the correct size. Wires and cables
Inspect Battery
must be free of corrosion. Wires and
Cables
cables must have cable support
clamps in order to prevent stress on
battery connections (terminals).
Battery Test(2) 12.4 VDC or more
Charging
18 VDC to 32 VDC
System Test(3)
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12 to 16 V at −23° C (−10° F) to −7° C

(19° F)
Electric
14 to 18 V at −7° C (19° F) to 10° C
Starting
(50° F)
System Test(4)
16 to 24 V at 10° C (50° F) to 27° C
(80° F)
(1) N = Normal, M = Monitor, A = Action
(2) Refer to Special Instruction, SEHS7633 , "Battery Test Procedure".
(3) Refer to Special Instruction, REHS0354 , "Charging System Troubleshooting".
(4) Refer to Testing and Adjusting, RENR2415 , "Electric Starting System - Test".

Engine
Cooling System
Table 2

Status(1) Description Specification Actual Comments

Refer to System
Radiator Pressure Relief
Operation Testing and
(Radiator Cap)(2)
Adjusting.
Freezing Point of Engine Refer to Operation and
Coolant Maintenance Manual.
Conditioner Test of Engine Refer to Operation and
Coolant Maintenance Manual.
Difference between the
Upper and Lower Radiator
Tank Temperatures
(1) N = Normal, M = Monitor, A = Action
(2) Test for the pressure that is listed on the cap.

Fuel System
Table 3

Status(1) Description Specification Actual Comments

Fuel Pressure 841 kPa (122 psi)
(1) N = Normal, M = Monitor, A = Action

Lubrication System
Table 4

Status(1) Description Specification Actual Comments

Oil Pressure 338 kPa (49 psi)

(1) N = Normal, M = Monitor, A = Action

Basic Engine
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Table 5

Engine Performance - Test (Engine Speed)

Conditions Service Limit Actual Comments
Power Mode 1550 ± 50 RPM
Engine Dial 7 At No Load (AEC Off)
ECO Mode 1400 ± 50 RPM
Engine Dial "7" At No Load (AEC On) 1000 ± 50 RPM
One Touch Low Idle 1000 ± 50 RPM
Engine Dial "1" At No Load 900 ± 50 RPM
Engine Dial "7" At Full Load(1) 1550 ± 50 RPM
Engine Dial "7" At Low Load Traveling(2) 1550 ± 50 RPM
Engine Dial "7" At Full Load Traveling(3) 1800 ± 50 RPM
(1) Two pump main relief (Boom UP).
(2) One track blocked
(3) Both tracks blocked

Note: Performance beyond the service limit is an indication of improper maintenance or

adjustment, component wear, and failure.

Air Inlet and Exhaust System

Table 6

Status(1) Description Specification Actual Comments

Inlet Manifold Pressure - Test
Cylinder # 1 Exhaust Temperature(2)
Cylinder # 2 Exhaust Temperature(2)
Cylinder # 3 Exhaust Temperature(2)
Cylinder # 4 Exhaust Temperature(2)
Cylinder # 5 Exhaust Temperature(2)
Cylinder # 6 Exhaust Temperature(2)
(1) N = Normal, M = Monitor, A = Action
(2) Compare the exhaust temperature variance at each exhaust port.

Performance Checks
Reference: Refer to Testing & Adjusting, M0087329 , "Performance Tests" for more detail on the
following test.

Operational Checks
Travel on Level Ground - Test
Table 7

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"Travel on Level Ground - Test"

Status(1) Travel Speed New Service Limit Actual Comments

Travel Time (time in seconds)
Forward
HIGH 23.8 ± 1.0 30.9 ± 1.0
Reverse
Forward
LOW 37.1 ± 1.0 48.2 ± 1.0
Reverse
Travel Deviation(2) mm (inch)
Forward 650 mm 650 mm
HIGH
Reverse (25.6 inch) or less (25.6 inch) or less

Forward 650 mm 650 mm

LOW
Reverse (25.6 inch) or less (25.6 inch) or less
(1) N = Normal, M = Monitor, A = Action
(2) Travel deviation (distance) from the reference line

Travel on Level Ground - Test (Optional Test)

Table 8

"Travel on Level Ground - Test (Optional Test)"

Time For Three Revolutions (time in seconds)

Actual
Status (1)
Travel Speed New Service Limit Comments
Right Left
Forward
HIGH 23.8 ± 1.0 30.9 ± 1.0
Reverse
Forward
LOW 37.1 ± 1.0 48.2 ± 1.0
Reverse
(1) N = Normal, M = Monitor, A = Action

Automatic Travel Speed Control - Test

Table 9

"Automatic Travel Speed Control - Test"

Engine Speed
Description Engine Speed Dial "7"
Status (1) AEC switch OFF

Blocked Pressure
Speed Specification Actual Comments
Track tap

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High to 32000 ± 500 kPa

Right Low (4641 ± 73 psi)
Pump 1
Travel Low to 18000 ± 500 kPa
High (2611 ± 73 psi)
High to 32000 ± 500 kPa
Low (4641 ± 73 psi)
Left Travel Pump 2
Low to 18000 ± 500 kPa
High (2611 ± 73 psi)
(1) N = Normal, M = Monitor, A = Action

Machine Drift on a Slope - Check

Table 10

"Machine Drift on a Slope - Check"

Specification
Status(1) Description Actual Comments
New Service Limit
Machine Drift 0 mm 0 mm
(1) N = Normal, M = Monitor, A = Action

Swing Speed and Overswing on Level Ground - Check

Table 11

"Swing Speed and Overswing on Level Ground - Check"

Status(1) Item New Service Limit Actual Comments

Overswing mm (inch)
Right
Swing 1200 mm (47.2 inch) 1200 mm (47.2 inch)
Left or less or less
Swing
Swing Time(2) (seconds)
Right
Swing
5.8 ± 0.3 7.2 ± 0.3
Left
Swing
Swing Time (3) (seconds)
Right
Swing
20.1 ± 1.0 26.1 or less
Left
Swing
(1) N = Normal, M = Monitor, A = Action
(2) The time that is required to complete a 180 degree swing operation
(3) The time that is required to complete 3 revolutions

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Swing Speed and Swing Drift on a Slope -Check

Table 12

"Swing Speed and Swing Drift on a Slope"

Status(1) Item New Service Limit Actual Comments

Swing Time (seconds)
Right Swing
5.9 ± 0.3 7.7 ± 0.3
Left Swing
Swing Drift mm (inch)
Right Swing
0 0
Left Swing
(1) N = Normal, M = Monitor, A = Action

Cylinder Drift - Check (Loaded Bucket)

Table 13

"Cylinder Drift - Check (Loaded Bucket)"

Status(1) Item New Service Limit Actual Comments

Boom 4.5 mm (0.18 inch) or 11.3 mm
Cylinder less (0.44 inch) or less
Stick 12.0 mm (0.47 inch) 30.0 mm
Cylinder or less (1.18 inch) or less
Bucket Max 18.0 mm 45.0 mm
Cylinder (0.71 inch) or less (1.77 inch) or less
(1) N = Normal, M = Monitor, A = Action

Table 14

Bucket Configuration Reference

Model Capacity Weight Load

DB1500HD 1.8 cubic meter (2.46 cubic yard) 1770 kg (3902 lb) 3400 kg (7496 lb)

Cylinder Drift - Check (Empty Bucket)

Table 15

"Cylinder Drift - Check (Empty Bucket)"

Cylinder
Drift Service
Status(1) Item Drift New Actual Comments
Direction Limit
Side
Boom Retracted Boom 5.0 mm 11.0 mm
Cylinder Down (0.2 inch) (0.4 inch)

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or less or less
10 mm 25 mm
Extended Stick In (0.4 inch) (0.98 inch)
Stick or less or less
Cylinder 25 mm 63 mm
Retracted Stick Out (0.98 inch) (2.5 inch)
or less or less
20 mm 50 mm
Bucket
Extended (0.8 inch) (1.96 inch)
Closed
Bucket or less or less
Cylinder 10 mm 25 mm
Bucket
Retracted (0.4 inch) (0.98 inch)
Open
or less or less
(1) N = Normal, M = Monitor, A = Action

Cylinder Speed - Check

Table 16

"Cylinder Speed - Check"

Cylinder Operating Speed (seconds)

Cylinder
Status(1) Item Service
Position New Actual Comments
Limit
3.4 ±
Extension 5.1 ± 0.3
Boom 0.3
Retraction 2.4 ± 0.3 3.6 ± 0.3
3.3 ±
Extension 5.0 ± 0.3
Stick 0.3
Retraction 2.7 ± 0.3 4.1 ± 0.3
4.3 ±
Extension 6.5 ± 0.3
Bucket 0.3
Retraction 2.3 ± 0.3 3.5 ± 0.3
(1) N = Normal, M = Monitor, A = Action

Pilot System
Reference: Refer to Testing & Adjusting, M0087329 for more detail on the following tests.

Pressure Reducing Valve (Pilot Oil) - Test and Adjust

Table 17
"Pressure Reducing Valve (Pilot)- Test and Adjust"

Machine
Status(1) Item Specification Actual Comments
Settings

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Speed Dial
"7" Pressure 4100 ± 300 kPa
AEC switch reducing valve (595 ± 44 psi)
OFF
(1) N = Normal, M = Monitor, A = Action

Accumulator (Pilot) - Test and Charge

Table 18

"Accumulator (Pilot) - Test"

Status(1) Description Specification Actual Comments

Pilot 1035 kPa Should stay above 1035 kPa
Accumulator (150 psi) (150 psi) for 20 seconds
(1) N = Normal, M = Monitor, A = Action

Main Control Valve

Reference: Refer to Testing & Adjusting, M0087329 for more detail on the following tests.

Relief Valve (Main) - Test and Adjust

Table 19

"Relief Valve (Main) - Test and Adjust"

Engine Speed
Machine
Settings Speed Dial "7"
AEC switch OFF

Status(1) Item Specification Actual Comments

35000 + 500 - 2000 kPa
Standard
(5076 + 73 - 290 psi)
38000 + 500 - 2000 kPa
Heavy Lift (2)
(5512 + 73 - 290 psi)
(1) N = Normal, M = Monitor, A = Action
(2) If equipped

Relief Valve (Line) - Test and Adjust

Table 20

"Relief Valve (Line) - Test and Adjust"

Main Relief Pressure(1)

Machine 35000 + 500 , - 2000 kPa

Standard
(5076 + 73 , - 290 psi)
Settings
38000 + 500, - 2000 kPa
Heavy lift
(5512 + 73, - 290 psi)

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Relief
Cylinder Engine
Status (2)
Cylinder Pressure Actual Comments
Position Speed
Setting
Speed Dial 41000 ± 500 kPa
Extended "7" (5947 ± 73 psi)
Boom AEC
switch 38000 ± 500 kPa
Retracted
OFF (5511 ± 73 psi)
Speed Dial 38000 ± 500 kPa
Extended "7" (5511 ± 73 psi)
Stick AEC
switch 41000 ± 500 kPa
Retracted
OFF (5947 ± 73 psi)
Speed Dial
Extended "7"
38000 ± 500 kPa
Bucket AEC
(5511 ± 73 psi)
Retracted switch
OFF
(1) System pressure setting before temporary setting adjustment
(2) N = Normal, M = Monitor, A = Action

Boom Lowering Control Valve, Stick Lowering Control Valve,

and VA Boom Lowering Control Valve (If Equipped)
Table 21

"Relief Valve (Line) - Test and Adjust"

Main Relief Pressure(1)

Machine 35000 + 500 , - 2000 kPa

Standard
(5076 + 73 , - 290 psi)
Settings
38000 + 500, - 2000 kPa
Heavy lift
(5512 + 73, - 290 psi)

Relief
Cylinder Engine
Status (2)
Cylinder Pressure Actual Comments
Position Speed
Setting
Speed Dial 41000 ± 500 kPa
"7" (5947 ± 73 psi)(3)
Boom Extended AEC
switch 40000 ± 500 kPa
OFF (5802 ± 73 psi)(4)
Speed Dial 41000 ± 500 kPa
"7" (5947 ± 73 psi)(3)
Stick Retracted AEC
switch 40000 ± 500 kPa
OFF (5802 ± 73 psi)(4)
VA Boom Retracted Speed Dial 41000 ± 500 kPa
"7" (5947 ± 73 psi)(3)
AEC
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switch 40000 ± 500 kPa

OFF (5802 ± 73 psi)(4)
(1) System pressure setting before temporary setting adjustment
(2) N = Normal, M = Monitor, A = Action
(3) Located on main control valve
(4) Located on lowering control valve

Swing System
Reference: Refer to Testing & Adjusting, M0087329 for more detail on the following tests.

Relief Valve (Swing) - Test and Adjust

Table 22

"Relief Valve (Swing) - Test and Adjust"

Engine Speed
Machine
Settings Engine speed dial "7"
AEC switch OFF

Status(1) Item Specification Actual Comments

Right Swing 32000 ± 1000 kPa
Left Swing (4641 ± 145 psi)
(1) N = Normal, M = Monitor, A = Action

Swing Bearing Movement - Measure

Table 23
"Swing Bearing Movement - Measure"

Specification
Status(1) Description Service Actual Comments
New
Limit
Vertical Movement of 1.5 mm 3.0 mm
Swing Bearing (0.06 inch) (0.12 inch)
Circular Movement of 4.5 mm 13.5 mm
Swing Bearing (0.18 inch) (0.53 inch)
(1) N = Normal, M = Monitor, A = Action

Travel System
Reference: Refer to Testing & Adjusting, M0087329 for more detail on the following tests.

Relief Valve (Crossover) - Test and Adjust

Table 24

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"Relief Valve (Crossover) - Test and Adjust"

Machine
Status(1) Item Direction Specification Actual Comments
Settings
Engine
speed dial
37000 ± 500 kPa
Forward "7"
(5366 ± 73 psi)
AEC switch
Left OFF
Travel Engine
speed dial
37000 ± 500 kPa
Reverse "7"
(5366 ± 73 psi)
AEC switch
OFF
Engine
speed dial
37000 ± 500 kPa
Forward "7"
(5366 ± 73 psi)
AEC switch
Right OFF
Travel Engine
speed dial
37000 ± 500 kPa
Reverse "7"
(5366 ± 73 psi)
AEC switch
OFF
(1) N = Normal, M = Monitor, A = Action

S.O.S
Table 25

Status(1) Description Obtain Comments

Engine Oil Sample
Engine Coolant Sample (Level II)
Hydraulic Oil Sample
Swing Drive Oil Sample
Right Final Drive Oil Sample
Left Final Drive Oil Sample
(1) N = Normal, M = Monitor, A = Action

PSP-00077FBF
2024/03/14
08:19:54-03:00
i07602548
© 2024 Caterpillar Inc.

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