Hydraulic System - Worldwide Construction And Forestry Division 380GLC Operator's Manual

Hydraulic System

Symptom
No Hydraulic Functions
Hydraulic Functions Are Slow Or
Have Little Or No Power
Hydraulic Oil Overheats
Oil Foams
Miscellaneous—Troubleshooting
Problem
Pilot shutoff lever
Low hydraulic oil level
Fuse
Suction screen restricted
Low hydraulic oil level
Cold oil
Incorrect oil
Engine speed too slow
Suction screen restricted
Hydraulic tank cap/cover
Incorrect oil
Restricted radiator or oil cooler
Restricted filters
Low hydraulic oil level
Contaminated oil
High or low oil level
Incorrect oil
Air leak on oil line from reservoir
Water in oil
Kinks or dents in oil lines
Continued on next page
4-3-6
Solution
Place pilot shutoff lever in unlocked
(DOWN) position.
Add correct oil.
Check START 5 amp fuse (F7), and
replace if necessary.
Inspect and clean.
Add correct oil.
Perform hydraulic oil warm-up
procedure.
Drain hydraulic tank and refill with
correct oil.
Increase engine speed.
Inspect and clean.
Replace cap/cover.
Drain hydraulic tank and refill with
correct oil.
Clean and straighten fins.
Install new filters.
Add correct oil.
Drain hydraulic tank and refill with
correct oil.
Correct level.
Drain hydraulic tank and refill with
correct oil.
Repair leak.
Drain hydraulic tank and refill with
correct oil.
Inspect and correct.
CN93077,0000025 -19-28MAR14-1/2
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