TM 9-2350-256-20
b. INSTALLATION
WARNING
Hydraulic fluid under pressure can penetrate skin or damage eyes. Fluid leaks under pressure
may not be visible, use a piece of cardboard or wood to find leaks, but do not use bare hand.
Wear safety goggles for protection. If fluid enters skin or eye, get immediate medical
attention.
Do not attempt to loosen or tighten hydraulic fittings or lines when the system is pressurized.
Ensure that the boom is in the stowed position before doing any maintenance on the hydraulic
system.
Do not move under any hydraulically controlled implement when making adjustments or
repairs to hydraulic system. Lower implement and work from above. If implement must be
raised for access, always block to support. If implement drops, injury to personnel can result.
Install lines and fittings as required using legends, locator views, Table 12-1 for equipment conditions,
Table 12-2 for port routing and the line/fitting illustration as a guide.
12-2 REPLACE HYDRAULIC LINES AND FITTINGS
THIS TASK COVERS
a. Removal
b. Installation
INITIAL SET-UP
Material/Parts:
Lockwasher (Appendix G, item 129)
Packing (Appendix G, item 197)
Lockwashers (22) (Appendix G, item 130)
Packings (2) (Appendix G, item 281)
Packings (10) (Appendix G, item 196)
Sealant tape (Appendix D, item 29)
a. REMOVAL
WARNING
Hydraulic fluid under pressure can penetrate skin or damage eyes. Fluid leaks under pressure
may not be visible, use a piece of cardboard or wood to find leaks, but do not use bare hand.
Wear safety goggles for protection. If fluid enters skin or eye, get immediate medical
attention.
Do not attempt to loosen or tighten hydraulic fittings or lines when the system is pressurized.
Ensure that the boom is in the stowed position before doing any maintenance on the hydraulic
system.
Do not move under any hydraulically controlled implement when making adjustments or
repairs to hydraulic system. Lower implement and work from above. If implement must be
raised for access, always block to support. If implement drops, injury to personnel can result.
Remove and install lines and fittings as required using legends, locator views, Table 12-3 and 12-5 for equipment
conditions, Table 12-4 and 12-6 for port routing and the line/fitting illustration as a guide.
12-7
