TM 10-3930-675-20-2
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HYDRAULIC SYSTEM TEST POINT PROCEDURES
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THIS WORK PACKAGE COVERS
General
Test Point No. 1: Brake Accumulator No. 1
Test Point No. 2: Brake Accumulator No. 2
Test Point No. 3: Steering System Main Valve
Test Point No. 4: Brake Circuit No. 2
Test Point No. 5: Brake Circuit No. 1
Test Point No. 6: Steering Pump No. 1
Test Point No. 7: Steering Pump No. 2
Test Point No. 8: Boom Lift and Extend Main Valve
Test Point No. 9: Servo System
Test Point No. 10: Cab Lift Main Valve
Test Point No. 11: Tophandler and Boom Folding Sys-
tems
INITIAL SETUP
Tools and Special Tools
Tool kit, general mechanic's (Item 31, WP 0204 00)
Adapter, quick disconnect (Item 1, WP 0204 00)
Gage, pressure (Item 9, WP 0204 00)
Pan, drain (Item 20, WP 0204 00)
Materials/Parts
Rag, wiping (Item 22, WP 0203 00)
Personnel Required
Two
References
WP 0164 00
Equipment Condition
Parking brake applied (TM 10-3930-675-10)
Engine shut down (TM 10-3930-675-10)
WARNING
•
DO NOT disconnect or remove any hydraulic system line or fitting unless hydraulic system pressure
has been relieved. Tighten all connections before applying pressure. Escaping hydraulic fluid under
pressure can penetrate the skin, causing serious injury.
•
Search for leaks with a piece of cardboard. Protect hands and body from high-pressure fluids. If an acci-
dent occurs, see a doctor immediately. Any fluid injected into the skin must be surgically removed
within a few hours or gangrene may result.
•
At operating temperature, hydraulic oil is hot. Allow hydraulic oil to cool before disconnecting any
hydraulic lines. Failure to do so could result in injury.
•
Hydraulic fluid is very slippery. Immediately wipe up any spills. Failure to follow this warning may
result in injury to personnel.
CAUTION
Wipe area clean around all hydraulic connections prior to disconnecting. Cap or plug all openings after dis-
connecting. Contamination of hydraulic system could result in equipment failure.
