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TM 9-2320-364-34-3
16-227
Materials/Parts
Oil, Hydraulic (Item 34, Appendix B)
Solvent, Drycleaning (Item 68, Appendix B)
This task covers:
a. Disassembly
c. Assembly
b. Cleaning/Inspection
d. Follow-On Maintenance
INITIAL SETUP
Equipment Condition
Solenoids removed, (Para 16-24)
Pilot valve/solenoid assemblies removed from:
Hoist, (Para 16-11)
Boom, (Para 16-3)
Telescope cylinder, (Para 16-10)
Swing drive, (Para 16-20)
Tools and Special Tools
Tool Kit, General Mechanic’s
(Item 240, Appendix F)
Gloves, Chemical Oil Protective
(Item 81, Appendix F)
Goggles, Industrial (Item 83, Appendix F)
16-34. HOIST, BOOM, TELESCOPE, SWING SOLENOID VALVE REPAIR.
Materials/Parts
Packing, Preformed (2) (Item 395, Appendix E)
a.
Disassembly.
NOTE
All four solenoid assemblies are
disassembled the same way.
(1)
Matchmark two solenoids (1) and pilot
valve (2).
(2)
Remove eight screws (3), two plates (4),
solenoids (1) and preformed packings (5)
from pilot valve (2). Discard preformed
packings.
(3)
Remove spool (6) from pilot valve (2).
(4)
Remove armature assembly (7) and push
pin (8) from coil (9).
(5)
Remove coil (9) from case (10).
(6)
Remove plug (11) and preformed
packings (12) and (13) from armature
assembly (7). Discard preformed packings
(7)
Drive out push pin (14) from plug (11).
(8)
Remove quad ring (15) from push pin (14)
Discard quad ring.
(9)
Remove tube (16) from coil (9).
(10)
Remove armature (18) from case (10).
(11)
Remove sleeve (17) from case (10).
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