Stone Lift Jockey LJ100, Service & Parts Manual

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MAINTENANCE
Troubleshooting
3UREOHP &DXVH 5HPHG\
Engine lacks power Fuel line plugged
Dirty fuel filter
Air filter dirty
Worn cylinder & piston rings
Too much oil in crankcase Clean or replace
Clean or replace
Clean or replace
Replace
Drain
Oil consumption Worn valve guides
Worn cylinder & piston rings
Too much oil in crankcase
Loose bolts Clean or replace
Replace
Drain
Re-torque
Does not start Out of fuel
Weak or dead battery
Poor ground connection
Loose wire connection Fill tank
Charge or replace
Tighten/clean terminals
Tighten
Lift Jockey will not move
forward or reverse Lever not fully engaged
Control valve damaged
Low hydraulic oil
Faulty hydraulic pump
Faulty hydraulic drive
Check linkage
Replace or repair
Check level, add if required
Replace pump if specified pressure not
in range
Replace drive motor is drive pressure
is incorrect
Unit lacks power Engine not properly warmed up
Low hydraulic oil level
Plugged hydraulic filter/strainer
Fuel restriction
Idle approximately five (5) minutes to
achieve operating temperature
Add fluid
Replace
Change filter
Forks will not extend up Load over capacity
No cylinder pressure
Cylinder leaking Remove partial load to capacity
Check pump pressure/valve
Replace or repair