©2012 4Front Engineered Solutions, Inc.
26
6004751K — aFX
®
and aFX-S Dock Leveler — Safe
T
Frame
®
August 2012
TroUbLeSHooTing,
continued
1
2
3
Lip Size
Lip Capacity
25K
30K & 35K 40K, 45K, & 50K
6'-16"
Hole 3
Hole 2
Hole 1
6'-18"
Hole 2
Hole 1
Hole 1
6'-20"
Hole 1
Hole 1
Hole 1
6-1/2'-16"
Hole 2
Hole 1
Hole 1
6-1/2'-18"
Hole 1
Hole 1
Hole 1
6-1/2'-20"
Hole 1
Hole 1
Hole 1
7'-16"
Hole 2
Hole 1
Hole 1
7'-18"
Hole 1
Hole 1
Hole 1
7'-20"
Hole 1
Hole 1
Hole 1
Lip Size
Hole
ALL CAPACITY
6'-16"
Hole 3
6'-18"
Hole 2
6'-20"
Hole 1
6-1/2'-16"
Hole 3
6-1/2'-18"
Hole 2
6-1/2'-20"
Hole 1
7'-16"
Hole 3
7'-18"
Hole 2
7'-20"
Hole 1
aFX Model
aFX-S Model
1
2
3
probLeM
poSSibLe caUSe
SoLUTion
3) Lip fails to lower to the stored position
when the dock leveler is raised from
vehicle
a) Check to make sure that the lip
extension mechanism is not bent or
binding. Be sure all parts are lubricated
properly. Lubricate as required. See Fig.
30.
b) Make sure pin is in correct position and
both pins are in good condition. See
Fig. 36
4) Dock level support legs will not retract
for below dock operation
5) Air bag is not lifting when the ramp is on
the maintenance post.
a) Check connection of dock level control
chain to the dock level support legs.
See Fig. 37.
b) Check for binding of dock level control
chain.
c) Check for binding in dock level support
legs.
d) Check length of below dock control
chain. Adjust chain so dock level
support legs are retracted the same
distance.
a) Connect the lifting kit chain using a link
closer to the spring. See chart on page
34.
a) Lip extension mechanism is bent or
binding.
b) Lip assist gas spring pin is in incorrect
position.
a) Chain not connected
b) Chain binding.
c) Legs binding.
d) Chain pulling one leg.
a) The link selected for attachment to the
deck is incorrect.
Fig. 36
