Allied 595, Operator And Parts Manual

Page: 21 / 42

21
Troubleshooting
Problem Possible Cause Remedy
Loader slow and/or will
not dump
Quick couplers leaking
Check connections and
compatibility or replace
Hydraulic oil too heavy Change or replace filter
Oil filter plugged Clean or replace filter
Hydraulic pump worn Repair or replace pump
Oil line restricted or leaking
Check all hoses and tubes for
leaks, damage or restrictions
Replace damaged or restricted
hoses or tube lines
Control valve does not shift
properly Inspect, clean, repair or replace
valve
Air in hydraulic system
Cycle lift cylinders and bucket
cylinders several times to free
system of air
Cylinder leaks internally Replace seals
Faulty valve Repair or replace valve
Loader chatters or vibrates
when raising and lowering
Air leak in pump inlet line
Check, tighten or replace inlet
line
Air in hydraulic system
Cycle lift cylinders and bucket
cylinders
Oil level too low Add oil as required
Excessive movement at
pivots
Worn bushings and/or pins Replace bushings and/or pins
Pump noisy
Inlet line restricted or leaking
Check for air leaks, restrictions
or collapsed hose
Tighten or replace hose
Clean filter if necessary
Oil level too low Add oil as required
Pump worn or damaged Repair or replace pump
Oil leaks
Damaged fitting or hoses Replace damaged parts
Loose connections Tighten fittings
Worn or damaged o-ring wiper
seal in cylinder rod end
Install a seal repair kit
Troubleshooting - 795 Loader