Mechanical Dock Leveler – M and FMC Group 14, Section 12, Page 3
Issue Date: 10/01/01, Rev. 0 (Part #038-550E)
PROBLEM PROBABLE CAUSE
LIP STRIKES REAR OF
TRUCK AS DECK
RAISES, DECK STOPS
OR SLOWS DOWN,
AND LIP DOES NOT
LOCK IN EXTENDED
POSITION
1. Damaged or missing dock bumpers allow the vehicle to
be parked to close to the dock leveler.
2. Height differential between dock and truckbed is
greater than recommended.
3. Lip actuator assembly damaged causing lip to begin
extending to early in the cycle.
4. Lip actuator requires adjustment.
LIP WILL NOT CLEAR
REAR OF VEHICLE
WHEN ATTEMPTING
TO RETURN DOCK
LEVELER TO STORED
POSITION WITH
TRUCK PARKED AT
DOCK
1. Damaged or missing dock bumpers allow truck to be
parked to close to the dock leveler.
2. Height differential between dock and truckbed is
greater than recommended.
3. Lip actuator damaged causing lip to be held out to late
in cycle.
4. Lip actuator requires adjustment.
DOCK BUMPER
DAMAGE THAT IS
ABNORMAL AND
EXCESSIVE
1. Shunting tractors with raiseable fifth wheel damage
bumpers by causing excess vertical movement of rear
of trailer.
2. Air-ride suspension trailers can cause severe bumper
damage if the trailer is raised against the bottom of or
lowered on top of the bumper.
ONE FRONT CORNER
OF DOCK LEVELER
DECK SITS HIGHER
THAN THE OTHER IN
STORED POSITION
1. Pit is out of level, side to side at rear corners or front
corners.
DECK DRAGS ON SIDE
WALL OF PIT
1. Pit is out of square.
To Next Page
Loading...
