Handbook

10. Install the upper turbine housing.
11. Follow DRIVE TRAIN REMOVAL AND REPLACEMENT
reassembly steps.
H. Gear Kit
Here are basic steps for replacing the gear kit. More explicit instructions
are contained with the gear kit.
DISASSEMBLY:
1. Follow steps 1-5 of Section F on page 39.
2. Remove the turbine wheel and drive gear.
3. Remove the compound gear.
REASSEMBLY:
1. Install the new compound gear.
2. Replace the turbine wheel and drive gear.
X. POLARIS BOOSTER PUMP FOR POLARIS 380
A. Exploded Parts Diagram
R
O
T
A
T
I
O
N
PUMP
SUPPLY
PUMP
DISCHARGE
13
1
3
5
6
2
8
9
10
12
11
9
14
4
7
Index Part Number Quantity Description
1P-5 1Volute
2P-15 1Impeller
3P-55 1Seal, Stainless Steel Cup and Spring
4P-95 1O-ring, Bracket
5P-10 1Bracket
6P-35 2Bolt, Stainless, Bracket to Motor
7P-40 1O-ring for Shaft
8P-61 1Motor, 3/4" HP, Threaded Shaft
9P-25 6Bolt/Nut, Stainless, Volute to Bracket
10 P-80 1 Rubber Strip, Motor and Bracket
11 P-70 1 Pump Stand with Feet, Strip
12 P-75 4 Rubber Feet
13 P-65 2 Bolt, Stainless, Stand to Bracket and Motor
14 P-20 1 1/8" NPTM Plug, Plastic
PLEASE NOTE: All of the parts fit the PB3 Booster Pump produced in 1978 except P-20
and P-25. Call 1-800-VAC-SWEEP for more information on the Polaris Booster Pump.
4140
Frame
Turbine Wheel
with Bearing
Bearing Shield
Bearing #1
(Shield side out)
Transfer Pulley/Drive
Shaft Assembly
Drive Gear
E-clip #2
Compound
Gear
E-clip #1
Notched Area for E-clip #1
Hub (Shortest)
Compound Gear Shaft
Bearing #2
(Shield side out)
E-clip #3
E-clip #4
Inner
Bearing