©2009 4Front Engineered Solutions, Inc.
January 2009
6004754F — HK and HK-S Hydraulic Dock Leveler, 3 Button — Safe
T
Frame
™
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.
Check length of below dock control chain. Adjust chain
so dock level support legs are retracted as shown in Fig.
44.
Dock LeVeL sUPPorT Legs wiLL noT swing
fULLy forwarD:
noTe:
LIP MUsT BE PENDANT.
Check for binding or debris which may be restricting
leg.
Check below dock control chains to ensure chain has
enough slack to allow leg to swing forward. Adjust as
required. See Fig. 44.
1.
2.
3.
4.
5.
1.
2.
Dock level
support leg
BDC
chain
Fig. 44
