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47
VI.
TROUBLE SHOOTING
SUGGESTED REMEDY
PROBLEM
POSSIBLE CAUSE
All units lift slowly
Only one unit lifts slowly
Only one unit will not hold
position
No units will hold position
Hydraulic oil not at operating
temperature
Faulty valve
Lift arm pivots too tight
Plugged high pressure filter
Raise orifice in valve adjusted
incorrectly
Relief valve in electro-hydraulic
valve set too low
Faulty valve
Lift arm pivots too tight
Raise orifice in valve adjusted
incorrectly
Oil leak between valve and
cylinder
Faulty valve
Faulty lower poppet on stack
valve
Problem is not hydraulic
Allow time for oil to warm up
Replace valve
Lubricate and loosen pivot point
Remove, clean, replace (see
page 42)
Re-adjust orifice
Reset to 2000 PSI
Replace valve
Lubricate and loosen pivot point
Re-adjust orifice (see page 26)
Repair leak or replace hose
Replace valve
Remove, clean, replace
See Tasseltrol
®
– elect. section
TASSELTROL
®
/LS SYSTEM – HYDRAULIC CONTINUED