TB-9-2320-279-13-P-4
TRUCK, TRACTOR, LIGHT EQUIPMENT TRANSPORTER (LET), 8X8, M983A2 LET
TECHNICAL BULLETIN; OPERATOR AND FIELD LEVEL
APRIL 2008
TB-9-2320-279-13-P-4 - Page 553 of 744
FIELD MAINTENANCE
HEAVY-DUTY WINCH COUNTERBALANCE VALVE REMOVAL/INSTALLATION
INITIAL SETUP:
Tools and Special Tools
Bit, Hex, 3/8”, 3/8” DR (WP 0081, Table 2, Item
7)
Cap and Plug Set (WP 0081, Table 2, Item 1)
Pan, Drain, 4 Gallon (WP 0081, Table 2, Item 3)
Tool Kit, General Mechanic's: Automotive (WP
0081, Table 2, Item 5)
Wrench, Torque, Click, Ratcheting, 3/8” Drive, 75
ft-lb (WP 0081, Table 2, Item 6)
Goggles, Industrial (WP 0081, Table 2, Item 7)
Materials/Parts
Cable Ties, Plastic (WP 0083, Table 1, Item 1)
Oil, Lubrication (WP 0083, Table 1, Item 25, 26, 27,
28)
Tags, Identification (WP 0083, Table 1, Item 30)
Lockwasher (WP 0084, Table 1, Item 14) Qty: 4
Packing, Preformed (WP 0084, Table 1, Item 22)
Qty: 1
Packing, Preformed (WP 0084, Table 1, Item 23)
Qty: 1
Packing, Preformed (WP 0084, Table 1, Item 29)
Qty: 1
Retainer, Packing (WP 0084, Table 1, Item 37) Qty:
2
Packing, Preformed (WP 0084, Table 1, Item 30)
Qty: 1
Retainer, Packing (WP 0084, Table 1, Item 38) Qty:
1
Packing, Preformed (WP 0084, Table 1, Item 31)
Qty: 1
Retainer, Packing (WP 0084, Table 1, Item 39) Qty:
1
Packing, Preformed (WP 0084, Table 1, Item 25)
Qty: 3
References
Parts Manual (Fig. 22)
Parts Manual (Fig. 27)
Equipment Condition
Engine OFF (TM 9-2320-279-10).
Wheels chocked (TM 9-2320-279-10).
REMOVAL
WARNING
•
Hydraulic system pressure can exceed 3,000 psi (20 684 kPa). A high-pressure hydraulic
system can pierce a body. Ensure engine if OFF prior to disconnecting hydraulic hoses. Failure
to comply may result in injury or death to personnel.
•
Never disconnect any high-pressure hydraulic hose, line or component without first dropping
pressure to zero. Failure to comply may result in injury or death to personnel.
•
Wear proper eye protection when working with or performing checks on high-pressure hydraulic
systems. Failure to comply may result in injury or death to personnel.
TB 9-2320-279-13&P-4
0071
0071-1
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