TM 5-2420-230-24-1
10-8. VALVE BLOCK SERVICE.
This Task Covers:
a. Servicing
b. Follow-On Maintenance
INITIAL SETUP
Test Equipment
References
None
FO-4, Hydraulic schematic
Tools and Special Tools
Equipment Conditions
Hydraulic valve manual override lever, BII,
TM or Para
Condition Description
FEL and backhoe travel stops
deployed.
Engine access panel removed.
Materials/Parts
None
Backhoe valve guard removed.
Personnel Required
Drawings Required
MOS 62B, Construction Equipment Repairer
None
Estimated Time to Complete
Refer to MAC in Appendix B
a. Servicing.
Every spool on the FEL and backhoe valve blocks must be manually operated. This is required to
exercise the valve and flush any foreign matter that may cause the valve to fail. Failure to complete the
following procedure may result in damage to equipment.
(1)
Start engine and ensure hydraulic master switch is OFF (TM 5-2420-230-10).
Change 1
