©2014 4Front Engineered Solutions, Inc.
32
6004753N — Hydraulic Dock Leveler - One Button Control — Safe
T
Frame
™
March 2014
Lip hinge
assembly
Cylinder
pivot pins
Ramp
hinge pins
Hydraulic
oil reservoir
Dock level support leg
cam and hinge
MainTenance anD LUbricaTion
Fig. 35
Be certain, before climbing into the dock leveler pit or
doing any maintenance or repair under the dock leveler,
that: 1) THE MAINTENANCE STRUT IS IN POSITION
AND PINNED, LIP LOCK IS IN PLACE AND SUPPORTING
THE LIP [see Fig. 38 on page 34] 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.
Place barricades on the dock floor around the dock
leveler pit and in the driveway in front of the pit while
installing, maintaining or repairing the dock leveler.
Use only lubricants shown. lmproper lubrication or
adjustments may cause operational problems.
Check all labels every 90 days. See page 31 for location and
part numbers. Replace if required.
Every 90 days inspect dock bumpers. Four inches (4") of
bumper protection is required. Worn, torn, loose or missing
bumpers must be replaced.
HyDraULic fLUiD LeVeL
Check the hydraulic fluid level using the dipstick attached to
the cap by inserting the cap until it stops. Do not screw the
cap on to check the fluid level.
MainTenance anD LUbricaTion cHarT
*acceptable Hydraulic oils:
Mobil aero Hfa (49011)
exxon Univis grade Ji3
Texaco aircraft oil #1554
U.s. oil co.,inc. #zfi-5606 (Low Temp.)
Lubrication
Cleaning
Lip and ramp
hinge pins
Cylinder
pivot pins
Dock level
support leg
cam & pivot pins
Rear
support
legs
Dock leveler
pit
As required to
remove debris
As required to
remove debris
As required to
remove debris
As required to
remove debris
Every 90 days
or as required to
remove debris
Not required
Not required
Every 90 days
SAE 30 on
pivot pins and
grease cam
Every 90 days
SAE 30
Every 90 days
SAE 30
