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Page Title:
POWER TRAIN HYDRAULIC SYSTEM TESTS |
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 TM 5-2410-233-23
POWER TRAIN HYDRAULIC SYSTEM TESTS
THIS WORK PACKAGE COVERS
General Information, Visual Checks, Pressure Tests
INITIAL SETUP
Personnel Required
Tools and Special Tools
Tool kit, general mechanic's (Item 112, WP 0185
Two
Equipment Condition
Shop equipment, general purpose repair (Item 97,
Transmission oil level correct (WP 0086 00)
Tool outfit, hydraulic system test and repair (Item
Floor plates removed (WP 0135 00)
113, WP 0185 00)
References
Transmission, brake and steering control linkage
adjustments correct (WP 0083 00, WP 0122 00
TM 5-2410-233-10
and WP 0126 00)
Seat and seat base assembly removed (WP 0137 00)
GENERAL INFORMATION
1.
Correct oil flow and pressure are necessary for any hydraulic system operation. Output from pump (pump flow)
increases with an increase in engine RPM and decreases when RPM is decreased. Oil pressure is caused by resistance to
oil flow.
2.
Visual checks should be done before performing pressure tests.
VISUAL CHECKS
1.
Perform visual inspection of power train hydraulic system with engine OFF and all implements lowered to the ground.
2.
Inspect all lines and connections for damage and/or leaks. Repair as needed.
3.
Inspect control linkages for bent, broken or damaged components. Repair as needed.
4.
Verify that transmission oil level is correct before proceeding to pressure tests.
PRESSURE TESTS
WARNING
ONLY authorized personnel are allowed on tractor during pressure tests. Do NOT perform pressure tests
on power train unless tractor is secured against movement, with brake lock engaged, all implements low-
ered to ground and tracks blocked. Failure to follow this warning may result in serious injury or death.
NOTE
Ensure all linkage adjustments and transmission oil level are correct before proceeding.
1.
Engage brake lock lever (TM 5-2410-233-10).
2.
Place transmission selector lever in appropriate position for test to be performed (TM 5-2410-233-10).
3.
Lower all implements to the ground (TM 5-2410-233-10).
4.
Block tracks.
5.
Run machine until power train is at operating temperature (TM 5-2410-233-10).
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