This Task Covers:
d. Follow-On Maintenance
FO-4, Hydraulic schematic
Tools and Special Tools
TM or Para
Front, left-hand belly plate
Compound, sealing, pipe thread, Item 22, Appendix C
MOS 62B, Construction Equipment Repairer
Estimated Time to Complete
To raise the temperature of the hydraulic system oil, operate FEL or backhoe for 5 min.
Ensure hydraulic system is at normal operating temperature. This can be determined by feeling the hydraulic
reservoir; it should be warm.
Place drain pan beneath hydraulic reservoir.
The IHMEE hydraulic system operates at oil pressures up to 3,000 psi (20 680 kPa). Never
disconnect any hydraulic line or fitting without first dropping system pressure to zero. Failure to
comply may result in serious injury or death to personnel.
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.
Remove drain plug from bottom of hydraulic reservoir.
Allow hydraulic oil to completely drain from reservoir.