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Page Title:
BACKHOE CONTROL VALVE, INTAKE MANIFOLD REPAIR |
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 TM
5-2420-224-34
BACKHOE CONTROL VALVE, INTAKE MANIFOLD REPAIR
a. Disassembly b. Inspection c. Assembly
This task covers:
Equipment Condition:
Applicable Configuration:
SEE
Condition Description
Reference
Intake Manifold Removed
Tools and Special Equipment:
from Backhoe Control
Shop Equipment, SC 4910-95-CL-A31
Valve
Tool Kit, SC 5180-90-CL-N26
TooI Outfit, HSTRU) NSN 4940-01-036-5784
Materials/Parts:
Packing
Appendix B, Item 30
Oil, Lubricating
REMOVE PLUG (1) and packing (2).
1.
DISCARD PACKING.
REMOVE SPRING (3).
2.
REMOVE valve DISC (4).
3.
NOTE
Remove seat only if damaged.
IF SEAT (5) is DAMAGED, INSTALL
4.
M A N I F O L D (6) in drill PRESS. USING
21/32-in. (17-mm) diameter DRILL, DRILL
SEAT to depth of 11/32 in. (8.7 mm).
REMOVE remainder of SEAT (5).
5.
Check spring length. Free length is 2.04 in. (51.8
mm); compressed length is 1.56 in. (39.6 mm) at
0.95 +1.1 lb (0.43 0.018 kg). If spring does not
meet these length requirements, replace spring.
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