Bayne Thinline DTL 1116, Operation And Parts Manual, Page: 26 / 44

Document Number: 1900-0098 Issue Date: 01/15/08 Revision No: 003 Page: 26 of 44
TROUBLE-SHOOTING CHART ( WI-0303 )
SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION
Hydraulic components down
stream of diverter valve not
operating or operating
extremely slow.
1.
Truck system hydraulic
pressure too low.
2.
Faulty full system relief
valve cartridge in
diverter valve.
3.
Faulty truck system
relief valve.
4.
System flow is being
restricted.
5.
Trash in flow regulator
cartridge.
1.
Check and adjust
pressure on truck system
relief and full system
relief in diverter valve.
2.
Replace full system relief
valve cartridge in
diverter valve.
3.
Consult truck
maintenance manual.
4.
Ensure there is proper
flow throughout the
hydraulic system.
Remove any restrictions.
5.
Remove flow regulator
cartridge from diverter
valve body and clean
thoroughly.
Diverter valve leaking oil
around cartridges.
1.
Worn or damaged seals
on cartridge valves.
1.
Install diverter valve seal
kit.
Hand valve lever sticks in up
or down position.
1.
Worn or broken spring
center device.
2.
Trash in or around hand
valve shift spool.
3.
Pressure ( IN ) and tank
( OUT ) ports are
hooked up backwards.
1.
Install spring center kit.
2.
Disassemble and clean
spool and housing.
3.
Make sure all hoses are
plumbed according to the
hydraulic schematic.
Hand valve leaking oil
around shift spool.
1.
Worn or damaged seals.
2.
Worn spool.
1.
Install hand valve seal
kit.
2.
Replace hand valve.