Repair
46 3A2012J
Replace Pumpline
This procedure is only needed if the entire pumpline will
be replaced. If just installing repair parts in the air motor
and/or displacement pump, see Disconnect the Dis-
placement Pump on page 42, Disconnect the Air
Motor on page 44, displacement pump manual 3A2313,
and air motor manual 3A2315.
1. Flush the pump, see page 30.
2. Relieve the pressure, see page 24.
3. Disconnect main air line from air panel (AE).
4. Disconnect items from the air motor, see F
IG
. 36 on
page 45:
a. Note location of all air hoses connected to air
motor then disconnect the hoses from the air
motor.
b. Remove top pin (AA) connecting upper catalyst
pump arm to air motor, then remove bolts (AB)
connecting lower catalyst pump arm to air motor
then remove catalyst pump and control arms
assembly (AC).
c. Remove two bolts (AD) securing air control
panel to air motor then remove air control
panel (AE).
5. Disconnect the air and fluid hoses.
6. Disconnect the ground wire.
7. Use a socket to loosen the two screws (AG) con-
necting the air motor to the mounting bracket (AH).
8. Use a socket to remove the two screws (AK) secur-
ing the displacement pump to the mounting bracket.
9. Lift up on the pumpline to slide pumpline out of
bracket.
10. Reassembly is reverse of asse mbly.