Engine Change Out; Wheel Motor Change Out; Wheel Changing - National 5600 Instruction Manual

MACHINE MAINTENANCE
PUMP CHANGE OUT
1. Remove doghouse to expose pump.
2. Disconnect hydraulic lines.
3. Remove two 5/16" pump securing bolts.
4. Remove pump by pulling pump straight out from pump motor.
VALVE CHANGE OUT
1. Disconnect machine from power (charger or battery).
2. Lift hood and secure in place.
3. Remove hoses from valve body. have a container ready to catch leakage from lines.
4. Take notice of angle of valve fittings.
5. Remove two 1/4" bolts securing valve body.

WHEEL MOTOR CHANGE OUT

1. Disconnect machine from power.
2. Block up machine to remove wheel. See wheel changing below.
3. Remove wheel.
4. Remove oil lines from wheel motor. A small amount of oil will run out of the lines. Drain into a
container. Wipe up spills immediately.
5. Remove four 1/2" wheel motor securing nuts.
6. Pull out on wheel motor to remove.

WHEEL CHANGING

1. Jack machine up by pushing the cylinder lift forward to lower and adjust the angle of the cutting head
to raise machine.
2. Place blocks under Forklift Cups on the side of the machine that wheel is being changed.
Take Caution: Make sure machine is supported properly or serious injury could occur.
3. Let cylinder down resting machine on blocks allowing rear wheel to be lifted off the floor.
4. Remove five 1/2'' lug nuts with an extended arm wrench, remove wheel.
5. Replace wheel.
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