National Flooring Equipment 5000, Operating & Service Manual

Page: 21 / 44

Maintenance
CHANGE HYDRAULIC CYLINDER
1. Disconnect machine from power.
2. Disconnect cylinder lines. Have a container ready to catch oil from lines.
3. Remove cylinder securing hexhead bolt from lower cutting head support.
4. Remove clips and pin from cylinder and slide plate.
5. Remove cylinder upper pin.
6. Remove cylinder.
CHANGE/REMOVE HOSE
1. Disconnect machine from power.
2. Using proper wrench size, remove hose from fitting.
3. When replacing, make sure O-ring is properly seated on hose fitting.
CHANGE PUMP
1. Undo strap and bolts. Unplug (3) electrical connectors for charger and light.
2. Remove both rear hood and front hood cover.
3. Disconnect hydraulic lines.
4. Remove two 5/16” pump securing bolts.
5. Remove pump by pulling pump straight out from pump motor.
CHANGE VALVE
1. Disconnect machine from power (charger or battery).
2. Undo strap and bolts. Unplug (3) electrical connectors for charger and light.
3. Remove both rear hood and front hood cover.
4. Remove hoses from valve body. Have a container ready to catch leakage from lines.
5.
Take notice of angle of valve fittings.
6. Remove three 5/16-18” bolts securing valve body.
CHANGE WHEEL MOTOR
1. Disconnect machine from power.
2. Block up machine to remove wheel.
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.
21 403706_5000_RevF