9-2 BL-E30-0515 - 03-01-2018
CAUTION: Hydraulic oil can damage parts. Wipe off
any oil immediately. Provide a container
under the line or fitting before discon-
necting.
4. Refer to Figure 9-2 and remove leaking line or fit-
ting and replace it with a new line or fitting. Check
level of hydraulic oil. With lift carriage fully low-
ered, fill reservoir with hydraulic oil to 1 inch below
opening. Use hydraulic oil listed in Table 3-2.
5. Turn on the key switch (20, Figure 12-18) and
emergency disconnect (17).
6. Operate the lift and lower buttons to refill the
cylinder and lines with hydraulic oil.
7. Check level of hydraulic oil. Hydraulic oil must be
1 inch below opening. If required, add hydraulic
oil to bring to proper level. Use hydraulic oil listed
in Table 3-2.
8. Install the upper compartment cover as described
in paragraph 5-2.
9-2. HYDRAULIC AND ELECTRICAL ASSEMBLY
REMOVAL
The hydraulic system and electrical system can be
removed as an assembly to provide additional clear-
ance for various maintenance procedures.
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. Turn off the key switch (20, Figure 12-18) and
emergency disconnect (17).
3. Remove the upper compartment cover (5, Figure
9-1) as described in paragraph 5-2.
4. Remove four screws (1, Figure 9-1), four washers
(2) and move assembly (8) away from frame (9).
9-2.2. Installation
1. Position assembly (8) on frame (9) and secure
with four screws (1, Figure 9-1), and four washers
(2).
2. Turn on the key switch (20, Figure 12-18) and
emergency disconnect (17).
3. Install the upper compartment cover as described
in paragraph 5-2.
9-3. HYDRAULIC PUMP, MOTOR, AND RESER-
VOIR ASSY
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.
9-3.1. Removal
1. Lower forks fully.
2. Turn off the key switch (20, Figure 12-18) and
emergency disconnect (17).
3. Remove the hydraulic and electrical assembly (
as described in paragraph 9-2.
4. Tag and disconnect electrical leads from solenoid
(2, Figure 9-3) and motor (3)
NOTE: The reservoir and hose will be filled with
hydraulic oil. Place a container under the
pump assembly to catch any hydraulic oil.
5. Remove bolt (7, Figure 9-2) and washers (5) and
disconnect hose (8) pump and motor (9).
6. Remove two screws (1) and remove pump and
motor (9).
9-3.2. Disassembly and Reassembly
1. Remove the hydraulic pump/motor assembly as
described in paragraph 9-3.1.
2. Refer to
Figure 9-3 f
or disassembly and reassem-
bly.
9-3.3. Installation
1. Position pump and motor (9, Figure 9-2) on
bracket and secure with two screws (1).
2. Connect electrical leads to motor (3, Figure 9-3)
and solenoid (2).
3. Reconnect hose (8, Figure 9-2) to pump/motor
assembly (9) with two washers (5) and bolt (7).
4. Fill the hydraulic reservoir. Hydraulic oil must be 1
inch below opening. If required, add hydraulic oil
to bring to proper level. Use hydraulic oil listed in
Table 3-2.
5. Turn on the key switch (20, Figure 12-18) and
emergency disconnect (17).
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