Poweramp RCR Series, Owner & User Manual

Page: 33 / 60

31
4111-0044 — June 2021
© 2021 Systems, LLC
Pressure relief on remote-mount units is set at the
factory. Contact Systems, LLC Technical Services
for instructions.
A— Pressure Relief Valve
B— Jam Nut
C— Adjusting Screw
ADJUSTMENTS
Adjust Main Pressure Relief
Main Pressure Relief Adjustment
Note: The main pressure relief valve ( A , Figure
32) may need to be increased if the platform does
not rise or rises slowly and the system operates in
pressure relief mode.
The main pressure relief may need to be decreased
if the pump motor loads down when platform reaches
the full raised position.
Depending on equipment, the pressure relief valve
( A , Figure 32) may be located on the dock leveler
platform or on the remote mount valve block.
Platform-mounted valve block is shown; see pages
50-52 for Powerpack options and Troubleshooting
section on pages 36-39 for more information.
1. Raise the platform fully, engage the maintenance
props in the service position and tighten all hardware
with wrench.
2. Turn OFF all electrical power to the dock leveler.
3. Attach lock out/tag out devices.
4. Loosen jam nut ( B ).
5. Adjust slotted head adjusting screw ( C ) as follows:
• To increase pressure relief, turn hex screw
clockwise one full turn.
• To decrease pressure relief, turn hex screw
counterclockwise one full turn.
6. While holding the adjusting screw, tighten jam nut.
7. Turn ON electrical power to the dock leveler.
8. Store maintenance props, and check leveler
operation.
9. Repeat steps 1– 8 as necessary.
TOLERANCES
(UNLESS OTHERWISE NOTED)
FRACTIONAL:  1/32"
DECIMAL:
.00 =
 .01"
.000 =  .005"
ANGULAR:

1

MATERIAL
DRAWN BY CHECKED BY
DRAWING NO.
DATE
JCS 5/16/2020
8585-0104
VALVE ASSY,VS/RR,RV FLOAT
P O W E R A M P
M C G U I R E
D L M
S S Y Y S S T T E E M M S S
L o a d i n g D o c k E q u i p m e n t
This print is the property of Systems, LLC and represents a proprietary article in which Systems, LLC retains any and all
patent and other rights, including exclusive rights of use and/or manufacture and/or sale. Possession of this print does
not convey any permission to reproduce, print or manufacture the article or articles shown therein, such permission to be
granted only by written authorization signed by an officer or other authorized agent of Systems, LLC thereof.
STOCK NO.
DECK-MOUNTED PUMP/MOTOR
REV A - ECN 18-066
B
A
C
Figure 32