Replacing Hydraulic Pump; Removal; Installation; Hydraulic Brakes, Drive Motors & Hubs - Snorkel SL26RTE Parts & Service Manual

SERVICE AND REPAIR

REPLACING HYDRAULIC PUMP

NOTE: If the hydraulic tank has not been drained, suitable means for plugging the hoses
should be provided to prevent excessive fluid loss.

REMOVAL

1. Mark, disconnect and plug the hose assemblies.
2. Loosen the cap screws and remove the pump assemblies from the engine.

INSTALLATION

1. Lubricate the pump shaft with extreme high
pressure molybdenum grease and attach the
pump to the engine with cap screws.
2. Using a crisscross pattern, torque each cap
screw a little at a time until all four cap screws
are torqued to 30 Nm (22 ft. lbs.).
3. Unplug and re-connect the hydraulic hoses.
4. Check the oil level in the hydraulic tank before
operating the work platform.
HYDRAULIC BRAKES, DRIVE MOTORS & HUBS

REAR AXLE REMOVAL

1. Park the work platform on firm, level ground and block the wheels to prevent the work platform
from moving.
2. Loosen the wheel lug bolts on the motor to be removed.
3. Raise the rear of the work platform using a 2 tonne jack.
4. Position two 1 tonne jack stands under the rear axle to prevent the work platform from falling
if the jack fails.
5. Remove the wheel lug bolts and wheel.
6. Remove the cotter pin, nut, hub and shaft key.
7. Tag and disconnect the hose assemblies.
8. Remove the cap screws, washers, brake and drive motor assembly from the rear axle.
9. Remove the socket screws from the drive motor and then separate the brake from the drive
motor.
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C A U T I O N
!
ONLY use a puller to remove the hub. Using any other method of
removal may damage the drive motor housing or shaft and void the
warranty.
Clean all ttings before disconnecting the hose assemblies. Plug all
port holes and hose assemblies immediately to prevent contamina-
tion from dust and debris.
1
Figure 3-5: Typical hydraulic pump
!
1. Inlet Hose
2. Outlet Hose
2
SL26/30SL