This Task Covers:
d. Follow-On Maintenance
FO-4, Hydraulic schematic
Tools and Special Tools
TM or Para
Hydraulic reservoir drained, if
Hydraulic system pressure
Estimated Time to Complete
MOS 62B, Construction Equipment Repairer
Approximately 0.5 hr.
· 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 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.
· Always replace hoses with appropriate parts to prevent hoses from bursting. Failure to comply may
result in injury or death to personnel.
Search for hydraulic leaks with piece of cardboard or other scrap material, taking care to protect hands and body
from high-pressure fluids.
Check all hoses and pipes for damage, looseness, fatigue, or signs of wear caused by rubbing. Replace as