TM 5-3895-373-34
SECTION IX. HYDRAULIC SYSTEMS MAINTENANCE
Para
Page
Adjust Unloading and Relief Valves .............................................................................................
2.51
2-683
Repair Auger/Conveyor Control Valve .........................................................................................
2.45
2-620
Repair Auger/Conveyor Speed Control Valve..............................................................................
2.48
2-649
Repair Auger/Conveyor, Valve and Cylinder, and Tow Point Flow Dividers................................
2.49
2-663
Repair Stack Valve and Stack Valve Wiring Harness ..................................................................
2.44
2-603
Repair Tow Point Control Valve ...................................................................................................
2.46
2-631
Repair Tow Point Cylinder............................................................................................................
2.52
2-689
Repair Tow Point Flow Control Valve...........................................................................................
2.50
2-675
Replace Hydraulic Hoses, Tubes, and Fittings ............................................................................
2.54
2-720
Replace Screed Travel Lock Valve ..............................................................................................
2.57
2-795
Replace Screed Vibration Control Valve ......................................................................................
2.56
2-791
Replace Valve Panel Control Valves and Flow Dividers..............................................................
2.55
2-735
Replace/Repair Auxiliary Pump....................................................................................................
2.42
2-565
Replace/Repair Auxiliary Vibration Pump.....................................................................................
2.43
2-583
Replace/Repair Hydraulic Reservoir Components.......................................................................
2.53
2-699
Replace/Repair Screed Vibration Solenoid Valve ........................................................................
2.47
2-643
2.42
REPLACE/REPAIR AUXILARY PUMP
This task covers:
a.
Remove
b.
Disassemble
c.
Clean
d.
Inspect
e.
Assemble
f.
Install
INITIAL SETUP:
Tools:
Backplate repair kit
General mechanic’s automotive tool kit
Drive gear assembly
(Item 106, Appendix D)
Port adapter gasket
Combination wrench (Item 116, Appendix D)
Idler gear assembly
Deep style socket (Item 83, Appendix D)
Lockwashers
O-ring tool (Item 103, Appendix D)
O-ring
Outside micrometer (Item 15, Appendix D)
Preformed packings
Plastic hammer (Item 49, Appendix D)
Seal kit
Slide caliper (Item 20, Appendix D)
Seal repair kit
Telescoping gage set (Item 45, Appendix D)
References:
Torque wrench (Item 132, Appendix D)
TM 5-3895-373-10
Materials/Parts:
TM 5-3895-373-24P
Cleaning solvent (Item 31, Appendix B)
Equipment Condition:
Emery cloth (Item 5, Appendix B)
Front top right access door opened per TM 5-3895-373-10.
Hydraulic fitting sealant (Item 26, Appendix B)
Right access door opened per TM 5-3895-373-10.
Hydraulic oil (Item 21, Appendix B)
Right access cover removed per TM 5-3895-373-10.
Lint-free cloth (Item 7, Appendix B)
Hydraulic system evacuated per paragraph 2.54.
Machinery wiping towel (Item 37, Appendix B)
Plastic bags (Item 1, Appendix B)
NOTE
Protective caps (Item 3, Appendix B)
There is a left hand and a right hand auxiliary
Sealing compound (Item 12, Appendix B)
pump on the paving machine. This procedure
Tags (Item 34, Appendix B)
refers to replacement and repair of left hand
Thread locking compound (Item 14, Appendix B)
auxiliary pump. Procedure is identical for right
Tie wraps (Item 36, Appendix B)
and auxiliary pump except where noted in text.
Petrolatum (Item 24, Appendix B)
Left hand auxiliary pump is shown in this
procedure.
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