Troubleshooting n – Allmand Brothers Allmand 8.5 10 FT BACKHOE User Manual
Page 37

37
PROBLEM
POSSIBLE CAUSE
REMEDY
Backhoe fails to hold up
Broken or leaking lines
Replace broken hose
load
and check for leaks
Dirty oil
Drain and refill oil,
replace filter
Oil leaking past cylin-
Replace packings
der packings
Oil leaking past control
Replace or repair worn
valve
section
Faulty relief valve
Clean or replace
Oil heating
Dirty oil
Drain and refill oil,
replace filter
Partially plugged inlet
Clean filter element
filter
Control valve held
Return control to
open too long
neutral position when
not in use
Worn pump
Replace pump
Relief valve set too low
Set valve correctly
Oil too light in hot
Use recommended oil
weather
Engine running too fast
Reduce throttle
Damaged oil lines
Replace damaged lines
Poor operating tech-
Learn smooth operating
nique causing excess-
methods
ive oil flow over relief
valve
TROUBLESHOOTING
N