Service Of Cylinder With Cushions; Cushion Replacement; Center Cylinder - Toyota 7BPUE15 Service Manual

Toyota Orderpicker Model 7BPUE 15 Service Manual
Hydraulic Components

Center Cylinder

Removal
Use extreme care whenever the truck is
jacked up. Never block the truck
between the mast and the floor. Keep
hands and feet clear from vehicle while
jacking the truck. After the truck is
jacked, place solid blocks beneath it to
support it. DO NOT rely on the jack
alone to support the truck. See "Jacking
2- 1 1.
Safety" on page
1. Remove carriage. See "Three-Stage
Carriage" on page 7-74.
Figure 7- 106. Center Cylinder,
2. Remove snap ring and washer from
bottom of center cylinder. See
Figure 7- 106.
3. Remove and cap hydraulic hoses.
4. Remove U-shaped bracket.
5. Remove center cylinder.
Install
1. Install center cylinder. Make sure the
bushing is on the mounting bolt.
2. Install washer and snap ring to bolt under
center cylinder. See Figure 7- 106.
3. Install U-shaped bracket.
00700-CL222-05, 1 5 March 2005
View
Bottom
Section 7. Component Procedures
4. Install carriage. See "Three-Stage
Carriage" on page 7-74.
5. Install end cap on center cylinder.
6. Connect power and test lift function before
returning truck to service.
Service of Cylinder with
Cushions

Cushion Replacement

Refer to Figure 7-107 on page 7-70 for the
following steps.
1. Remove retaining ring (1
bearing (2).
N : When the retaining ring is removed, a
OTE
spring behind the top bearing may push
the bearing out of the housing.
Remove the spring (3) and pressure
ring (4).
Remove the three Torx screws (5) located
about 6 in. from the top of the housing.
Remove piston (6) from cylinder housing.
Remove the cushion assembly (7).
Coat the threads of the new cushion
assembly with thread-locking compound
primer (Loctite #T747) and apply
thread-locking compound (Loctite
Assemble the new cushion assembly (7) to
piston rod.
8. Re-install piston assembly in cylinder
housing.
9. Re-install the three torx screws (5).
10. Lightly oil a new seal (8) and install in
pressure ring (4). Check to make sure the
small orifice in the pressure ring is not
obstructed.
1 1. Install spring (3).
12. Remove the bad parts from the top
bearing.
13. Lightly oil new seal
ring (1 1) and wiper (1 2) and install into the
top bearing.
14. Install the top bearing (2).
15. Install the retaining ring (1).
Center Cylinder
and top
277).
#
O-ring (1 backup