TM 5-2420-230-24-1
10-17. BUCKET CYLINDER MAINTENANCE.
This Task Covers:
a. Removal
b. Disassembly
c. Assembly
d. Installation
e. Follow-On Maintenance
INITIAL SETUP
Personnel Required
Test Equipment
MOS 62B, Construction Equipment Repairer (2)
None
References
Tools and Special Tools
None
Field, maintenance, basic, Item 23, Appendix B
Pan, drain, Item 29, Appendix B
Equipment Conditions
Tool kit, general mechanics, Item 38, Appendix B
TM or Para
Condition Description
Equipment, suitable lifting
Backhoe fully extended.
Hydraulic system pressure
Materials/Parts
released.
Cap and plug set, Item 4, Appendix C
Drawings Required
Cloth, lint-free, Item 10, Appendix C
TM 5-2420-230-24P Figure 171
Grease, automotive and artillery, Item 30, Appendix C
TM 5-2420-230-24P Figure 172
O-ring, Item 138, Appendix D (2)
Tags, identification, Item 63, Appendix C
Estimated Time to Complete Task
Ties, cable, Item 68, Appendix C
Refer to MAC in Appendix B
a. Removal.
The backhoe must be supported when
removing or installing any backhoe
cylinder. Failure to comply may result in
serious injury or death to personnel and
damage to equipment.
Hydraulic fluid (Dexron III) is TOXIC.
Wear protective goggles and gloves; use
only in well-ventilated area; avoid contact
with skin, eyes, and clothes. Skin and
clothing that come in contact with
hydraulic oil should be washed
immediately. Saturated clothing should
be removed immediately. Failure to
comply may result in injury to personnel.
NOTE
Tag all hoses and tubes and note their positions before removal.
Remove cable ties as necessary.
Cap and plug all tubes, hoses, and fittings upon removal.
(1)
Place drain pan under hydraulic hoses (1).
(2)
Disconnect two hydraulic hoses (1) from bucket cylinder (2).
Change 1