SUGGESTED LEVELER MAINTENANCE
NOTE:
Follow maintenance procedures below as outlined.
Include the specific steps for your leveler model.
NOTE:
Your local RITE-HITE
®
representative provides a Planned
Maintenance Program (P.M.P.) which can be fitted to your
specific operation. Call your local representative.
Daily
1. Remove debris on and around leveler. Be sure the hinge section
of the lip and the platform is clean.
2. Check unit for proper operation.
90 Days
1. Perform all Daily Maintenance.
2. Clean
pit.
3.
Inspect hydraulic system (cylinders, hoses, fittings, and power
unit).
4. Lubricate the leveler with the proper lubricants. See figure 11 or
12.
5. Inspect all weather seals (if installed) and replace if worn or
damaged.
6. Inspect dock bumpers. Four inches (4") of bumper protection is
required. Worn, torn, loose or missing bumpers must be
replaced.
7. Check conditions of concrete, angles and welds. Repair or
replace if necessary.
8. Inspect structure, hinge pins, clevis pins and cotter pins for
abnormal wear.
9.
Inspect all conduit boxes, control boxes and electrical
connections for damage. Repair or replace if worn or damaged.
NOTE:
If control box has evidence of condensation.
a. Inspect conduit. Conduit should be routed to enter through
the bottom or side of the enclosure. A drip leg may be needed if
the conduit is filling with water
.
b
.
Inspect the seal on the cover of the enclosure. The seal
should be securely adhered to the cover with no signs of peeling
or bubbling. Repair or replace if worn or damaged.
c. For non-metalic enclosures, breather vent part number
122130 may be installed. The vent is NEMA 4X and will not
change the enviromental rating of the control box.
10. With the leveler supported by the Safe-T-Strut, check hydraulic
fluid level in tank. Add fluid if necessary. Use only Rite-Hite
approved hydraulic fluids.
STANDARD: 119181 - Rite-Hite Biodegradeable Fluid (quart/light
blue in color)
OPTIONAL: 108303 - Mil 5606 Fluid (quart/red in color)
360 Days
1. Perform Daily and 90-Day Maintenance.
2. Check and tighten control box mounting hardware.
3.
Retorque all shoulder bolts on units equipped with Safe-T-Lip
®
.
See figure 10.
Pub. No. 1210 - April 2016
11
Read and obey these instructions to prevent personal
injury.
• Post safety warnings and barricade work area, at dock
level and at ground level, to prevent unauthorized use
of the dock position before maintenance has been
completed.
• Make sure to install the Safe-T-Strut
TM
before
proceeding with any repair work.
RITE-HITE
®
RHH-4000 Dock Leveler Owner’s Manual
MAINTENANCE PROCEDURES
Safe-T-Lip
®
Shoulder Bolt
Torque Specifications
• Torque Range: 290 - 310 Ft-Lbs.
FIGURE 10 - SHOULDER BOLT TORQUE
