| |
TM 10-3930-659-34
4-66.
FORKLIFT CONTROL VALVE REPAIR.
This Task Covers:
a.
Disassembly
c. Assembly
b.
Cleaning and Inspection
Initial Setup:
Equipment Conditions:
Materials/Parts:
Forklift control valve removed (see TM 10-3930-
· Lubricating oil (Item 38, Appendix B)
659-20).
Rags (Item 43, Appendix B)
Tools/Test Equipment:
Dry cleaning solvent (Item 47, Appendix B)
Forty-one preformed packings
General mechanic's tool kit (Item 71, Appendix E)
Compressor unit (Item 16, Appendix E)
References:
Socket head screw key set (Item 41, Appendix E)
TM 10-3930-659-20
General Safety Instructions:
Dry cleaning solvent is flammable and must not be used near open flame. Use only in a well-ventilated area.
Compressed air used for cleaning purposes should never exceed 30 psi (207 kPa).
a.
DISASSEMBLY
NOTE
Ensure that components of forklift control valve sections remain separate.
1
eight nuts (12), washers (11), and four studs (31) from outlet (32), fork spacing valve (4), carriage tilt valve (8),
fork/boom valve (9), and inlet valve (10).
NOTE
Note position of valves and preformed packings to aid during assembly.
2.
Separate outlet (32), fork spacing valve (4), carriage tilt valve (8), fork/boom valve (9), inlet valve (10), and six
preformed packings (6 and 7). Discard preformed packings.
3.
Remove plug (34) and preformed packing (33) from outlet (32). Discard preformed packing.
NOTE
Fork spacing, carriage tilt, and fork/boom valves are disassembled the same way.
Fork spacing valve is illustrated.
4.
Remove plug (3) and preformed packing (2) from fork spacing valve (4). Discard preformed packing.
5.
Remove handle pin (17), backup ring (16), and preformed packing (15) from fork spacing valve (4). Discard
preformed packing.
6.
Remove two plates (35) from fork spacing valve (4).
4-268
|