Figure 40.
Solenoid Resistance Test Point.
The next problem you will troubleshoot in the conveyor system is the conveyor moves
in one direction only.
o Shut down the hydraulic system, insert the handcrank in the conveyor, and
manually operate the conveyor system. If the conveyor does not move easily
one full cycle in both directions, you must troubleshoot the chain is jammed
or broken. However, the conveyor assembly moved in both directions and you
must continue to troubleshoot.
o Set the MASTER switch to the ON position and start the primary or backup
hydraulic system. Manually operate the conveyor directional control valve in
both directions (Fig. 30). If the directional control valve does not operate
the system in both directions it must be replaced. If it operates correctly
in both directions, activate the directional control valve using the
direction control switch on the hydraulic control panel (Fig. 29).
If the
switch fails to activate the directional control valve, you must troubleshoot
the electrical system.
The next problem you will troubleshoot in the conveyor system is the conveyor chain
is jammed or broken.
o Check the conveyor chain and sprocket alignment.
Check the chain for
binding, breakage, or other damage and inspect the chain path for
obstructions.
Check the chain drive sprocket for missing, worn, or bent
teeth; replace or repair as required.
43
OD1737
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