Kelley HK - Dock Level Support will Not Retract for below Dock Operation; Dock Level Support Legs will Not Swing Fully Forward

©2009 4Front Engineered Solutions, Inc.
January 2009 6004754F — HK and HK-S Hydraulic Dock Leveler, 3 Button — SafeTFrame
™
37
TROUBLESHOOTING GUIDE, continued
DOCK LEVEL SUPPORTS WILL NOT RETRACT
FOR BELOW DOCK OPERATION:
Check for broken chain to dock level support legs. See
Fig. 44.
Check connection of dock level control chain to the dock
level support legs. See Fig. 44.
Check for binding of dock level control chain. See Fig.
44.
Check for binding in dock level support legs.

so dock level support legs are retracted as shown in Fig.
44.
DOCK LEVEL SUPPORT LEGS WILL NOT SWING
FULLY FORWARD:
NOTE:

Check for binding or debris which may be restricting
leg.
Check below dock control chains to ensure chain has
        
required. See Fig. 44.
1.
2.
3.
4.
5.
1.
2.
Dock level
support leg
BDC
chain
Fig. 44