Wood-mizer 1992 LT40HD Operator's Manual download pdf (Page 95)

Troubleshooting Guide

Electrical Problems

Troubleshooting Guide HD92doc042701 4-3

4.2 Electrical Problems

PROBLEM CAUSE SOLUTION

Up/down Elevator Exces-

sively Slow

Vertical wear pads too tight Adjust pads.

Up/down belt loose Adjust belt to be as loose as possible

without slipping

Up/down Or Power Feed

Motors Do Not Work

Worn contacts in drum switch Replace switch or remove control

panel cover and clean contacts

Burned-out motor Replace motor

Bad connection on battery

post or loose wire

Check for loose wire or terminal con-

nections

Up/Down Or Power Feed

Switches Remain Engaged

When Switch Is Released

Worn or dirty contacts in drum

switch

Manually move the power feed or

up/down switch back to neutral or

"off" position. Replace drum switch or

remove control panel cover and

clean and lubricate contacts NOTE:

Use only contact grease supplied by

Wood-Mizer.

Drum switch spring broken Manually move the power feed or

up/down switch back to neutral or

"off" position. Replace drum switch

spring

Up/Down Or Power Feed

Motors Overheat And Loose

Power

System overload or bind

occurred.

Correct problem.

See Section 4.3

Power Feed Problems.

Allow motor

to cool before restarting.

Normal operation factors

exceeded (eg: up/down con-

trol jockeyed excessively)

Allow motor to cool before restarting.

Everything Works And Then

Cuts Out - Works Again

Bad connection in battery Check connection

Nothing Works Electrically Dead battery Check for short circuit or turn OFF

key

Bad circuit breaker Replace

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Wood-mizer 1992 LT40HD Operator's Manual Page 95

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