To Replace Accessory Pump - Tennant ATLV 4300 Service Manual

HYDRAULICS

TO REPLACE ACCESSORY PUMP

FOR SAFETY: Before Leaving Or
Servicing Machine; Stop On Level
Surface, Set Parking Brake, turn off
machine, and remove key.
1. Open the hopper cover and tilt the hopper
back.
2. Open the top engine cover.
3. Remove the five pan screws holding the rear
engine cover to the machine. Remove the
cover.
4. Remove the grill from the left side fender
panel.
5. Disconnect the air intake tube from the collar
on the left side machine fender.
6. Remove the seven pan screws holding the
left fender to the machine. Pull the fender
out slightly and disconnect the turn signal.
Remove the fender from the machine.
NOTE: Observe hydraulic cleanliness
requirements when opening hydraulic lines.
7. Disconnect and plug the two hydraulic hoses
leading to the accessory pump.
NOTE: The hydraulic fluid reservoir must be
drained or a suction device used to minimize fluid
lose.
8. Remove the two cap screws holding the
accessory pump to the propel pump. Pull the
accessory pump straight back out of the
propel pump.
NOTE: Make sure to retain the O- -ring.
9. Remove the hydraulic fittings from the old
accessory pump and install into the new
pump in the same orientation.
5-10 ATLV 4300 330495 (10- -98)