Troubleshooting Guide; Ramp Fails To Raise - Kelley HK User Manual

TroUbLesHooTing gUiDe

Be certain, before climbing into the dock leveler pit or
doing any maintenance or repair under the dock leveler,
that: 1) THE MAINTENANCE STRUT AND LIP LOCK ARE
SECURELY IN PLACE, [see Fig. 38] and 2) the power is
disconnected and properly tagged or locked off.
Before servicing the dock leveler, read and follow the
Safety Practices on page 3 and the Operation section of
this manual.

raMP faiLs To raise:

1. If motor fails to run:
1.1 Check that all cords are tightly plugged into the pit
receptacle.
1.2 Check for electrical power to the control box.
1.3 Check "ON/OFF" and "STOP" switches on control
box.
Before doing any electrical work, make certain the power
is disconnected and properly tagged or locked off.
1.4 Check for loose wires in control box.
1.5 Check fuses. Replace if required.
1.6 If problem can not be found, contact a qualified
electrician.
34 6004754F — HK and HK-S Hydraulic Dock Leveler, 3 Button — Safe
©2009 4Front Engineered Solutions, Inc.
Fig. 38
Insert hairpin clip
through maintenance
strut pin
Maintenance
strut pin
Maintenance
strut bracket
Maintenance
strut
Lip
Ramp
Insert
hairpin clip
into lip lock
T
Frame January 2009
™
Lip
lock