Repair
312066ZAD 31
Drive Housing
Removal
1. Turn main power OFF . Disconnect power
supply.
2. Relieve pressure, page 26.
3. Remove screws (38) and motor shield (9), page 53.
4. Remove screws (209) and front cover (217).
5. Disconnect pump inlet and outlet lines. Remove
screws (213), washers (215), and bearing housing
(203).
6. Remove screws (212, 219) and washers (214) and
pull drive housing (202) off motor (201).
Installation
1. Apply grease liberally to washers (207, 208, 218),
all gears, and inside drive housing (202).
2. Install one bronze washer (208) in drive housing,
then install steel washers (207, 218) as shown.
3. Install second bronze washer (208) on gear cluster
(204) and insert gear cluster in drive housing.
4. Push drive housing (202) onto motor (201). Install
screws (212, 219) and washers (214).
5. Install bearing housing (203), screws (213), and
washers (215). Pumps must be in phase (both at
same position in stroke).
6. Install front cover (217) and screws (209).
7. Install motor shield (9) and screws (38).
Examine bearing housing (203) and connecting
rod (205). If these parts need replacing, first
remove the pump (206), page 28.
CAUTION
Do not drop gear cluster (204) when removing drive
housing (202). Gear cluster may stay engaged in
motor front end bell (R) or drive housing.
The A side drive housing includes cycle counter
switch (221). If replacing this housing, remove
pins (P) and switch. Reinstall pins and switch on
new drive housing. Switch wires connect to J10
pins 5 and 6 on motor control board, page 37.
TI3250
221
P
Drive housing crankshaft (S) must be in line with
crankshaft at other end of motor.
If bearing housing (203), connecting rod (205), or
pump (206) were removed, reassemble rod in
housing and install pump, page 29.
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