Troubleshooting Chart Index - prime mover smx45 Master Service Manual

F-code Section
PT S6.0
Hydraulic System
Version no T-code
001 SMX
260
Return
C-code
6000
sources may be causing improper operation. Refer to the
proper heading (relief valve) for detailed instructions for
disassembly and check parts to remedy the trouble.
1. If pump operates but will only develop low pressure
or slow lift:
2. If pump develops pressure but will not hold:
3. If pump develops pressure but will not release load:

3.1. Troubleshooting Chart Index

1. No lift, lift motor does not run, travel is okay.
2. No lift or slow lift, lift motor does run.
3. No lower, lift and travel okay.
4. Unable to pick up a load.
5. Slow lower.
6. Load drifting/settling.
Master Service Manual
a. Relief valve seat scored, foreign particles
under ball.
b. Dirt in hydraulic lowering valve.
c. Pump worn, replace pump.
a. Dirt in hydraulic lowering valve.
b. Relief valve seat scored, foreign particles
under ball.
a. No electrical contact to hydraulic lowering
valve.
b. Solenoid in hydraulic lowering valve coil
burned out.
c. Relief valve bottomed causing pressure to
go beyond the unloading limit of the
hydraulic lowering valve.
2006-08-08