Pinguely-Haulotte HA20PX, Repair Manual

Page: 279 / 282

CORRECTIVE MAINTENANCE SHEET
Folio 1/2
Caution!
Leave the motor and exhaust
pipe to cool sufficiently
before performing any
maintenance operation on
these elements.
1
10 3
4
1 - Preliminary operations
• Put the machine in the maintenance configuration (see corresponding
paragraph).
• Switch off electric power (see corresponding paragraph).
• Disconnect the «-» then «+» terminals of the starter battery.
• Remove the cover on the motor side (see corresponding sheet).
2 - Removing the connections
• On the motor, disconnect the battery connection cables (1).
• Disconnect the starter connection, the motor’s electric connectors (2) and
free the duct from the plastic collars.
• Disconnect the fuel incoming (3) and outgoing pipes.
• Remove the hydraulic filter support.
3 - Removing the exhaust
• Remove the exhaust fixing collar.
• Remove the exhaust output pipe (4).
4 - Removing the coupling
• Remove the hydraulic pump (5) (see corresponding sheet).
• Remove the screws (6) fixing the flange (7) of the motor flap, then remove
the flange.
• Remove the fixing screws (8) from the coupling plate (9) and remove it.
5 - Removing the thermal motor
• Put the motor in slings according to the instructions in the motor manufac-
turer’s manual.
• Remove the motor’s 4 fixing screws (10) and remove the motor.
6 - Installing the thermal motor
• Check the condition of the 4 silent blocks and replace if necessary.
• Put the thermal motor into place and fix using 4 fixing screws, previously
coated with normal blue loctite 243, and equipped with new grower
washers.
7 - Installing the coupling
• Put the coupling plate into place (9) and fix using fixing screws previously
coated with normal blue loctite 243. Tighten to a torque of 25 N.m (18.43
lb.ft)
• Put the motor flap flange into place and fix using screws equipped with
new grower washers. Tighten to a torque of 49 N.m (36.14 lb.ft)
• Put back the hydraulic pump (see corresponding sheet).
• Put back the hydraulic filter support assembly.
8 - Connection
• Put into place the exhaust output pipe (4) and fix with the fixing collar.
• Reconnect the fuel incoming and outgoing pipes.
• On the motor, reconnect the electric connectors, the acceleration coil, the
starter, motor connections and fix the duct using plastic collars.
• On the motor, reconnect the battery connection cables (1).
• Put back the cover (see corresponding sheet).
CHANGING THE THERMAL MOTOR
Sheet C133