Hydraulic Pump, Motor And Reservoir; 9-2.1 Removal; 9-2.2 Disassembly And Reassembly; 9-2.3 Installation - Big Joe PDSR 30 Installation, Operation, Maintenance & Repair Parts

Power drive reach lift truck
Table of Contents

Advertisement

9-2. HYDRAULIC PUMP, MOTOR AND RESERVOIR

The hydraulic pump/motor assembly can be disas-
sembled and repaired. However, a defective pump,
valve or motor requires replacement of that compo-
nent.
WARNING: When forks are raised, pressure exists in
the hydraulic system lines and fittings. To
ensure release of pressure, forks must
be fully lowered and the batteries discon-
nected before performing any mainte-
nance on the hydraulic system.
9-2.1. Removal
1.
Lower forks fully.
2.
Engage the emergency stop switch and turn off
key switch.
3.
Remove the compartment covers as described in
paragraph 5-2..
NOTE: The reservoir and hose will be filled with
hydraulic oil. Place a container under the
pump assembly to catch any hydraulic oil.
4.
Tag and disconnect electrical leads from motor
and solenoid. Refer to
4.
5.
Disconnect hoses from pump/motor assembly.
6.
While supporting the pump/motor assembly,
remove four screws and four lock washers.
7.
Remove the pump/motor assembly.
9-2.2. Disassembly and Reassembly
1.
Remove the hydraulic pump/motor assembly as
described in paragraph 9-2.1..
2.
Refer to
Figure 9-3
sembly.
9-2.3. Installation
1.
While supporting the pump/motor assembly,
secure with four screws and four lock washers.
2.
Reonnect hoses to pump/motor assembly.
3.
Connect electrical leads to motor and solenoid.
Refer to
Figure 10-3
4.
Fill the hydraulic reservoir. Use hydraulic oil listed
in
Table
3-2.
5.
Disengage the emergency stop switch and turn
on key switch.
6.
Operate the lift and lower buttons to refill the
cylinder and lines with hydraulic oil.
9-6
Figure 10-3
and
Figure 10-
for disassembly and reas-
and
Figure
10-4...
7.
Check level of hydraulic oil. If required, add
hydraulic oil to bring to proper level. Use
hydraulic oil listed in
8.
Install the compartment covers as described in
paragraph 5-2
DR_0008
Figure 9-3 Hydraulic System
BL-PDSR 30-0319 - 03-07-2019
Table
3-2.

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents