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INSTALLATION, OPERATION AND MAINTENANCE MANUAL
POLARIS - SERIES TBM 75 LH ( 3" ) - TYPE PHO / PBO / PVO
DOCUMENT NBR. :
A0452
7.2
REVISION:
TBM 75 LH - TYPE PBO
Refer to Appendix 8.4 (A0432) for Fastener Torque requirements
Apply "Never-Seize" to the motor shaft end. Position Flinger Gasket (Item 060.2)
onto shaft. Insert Drive Key (Item 113) into the key seat. Slide Flinger (Item 110)
onto the shaft. Position Impeller Gasket (Item 060.1) against the Impeller flinger.
Hoist the Volute Casing (Item 102) into position and insert into the motor flange
spigot. Apply Loctite® 242 to the Socket Head Cap Screws and insert with Lock
Washers (Items 040.1, 040.3) through the motor flange into the Casing and tighten.
Slide the Impeller (Item 101) onto the shaft. Position the O-rings (Item 062.2, 062.3)
onto the Shaft Adapter (Item 108) and the same into the impeller bore, lining up the
groove in the cap face with the key. Position O-Ring (Item 062.1) onto the Impeller
Lock Screw (Item 040.2), apply Loctite® 262 and insert into the shaft end and
tighten.
Refer to Appendix 8.4 (A0431) for Impeller Installation and Lock Screw Torque
Apply "Never-Seize" to the adapter thread and screw on the Shaft Extension (Item
109). Tighten the shaft extension via the wrench flats on the outboard end. Position
the O-ring (Item 062.4) into the shaft extension thread relief.
Position Casing Gaskets (Item 060.5) onto Strainer (Item 103), aligning the holes. To
verify the impeller running clearance, compare the depth from the top of the strainer
to the gaskets with the depth from the casing face to the impeller vanes. The total
difference should be 1/32" – 1/16". Adjust as necessary by adding or subtracting
casing gaskets.
Slide strainer and gaskets into the casing bore. Position the Pump Stand (Item 112)
over the strainer, insert Loctite® 242 coated Socket Head Cap Screws and Lock
Washers (Items 040.1, 040.3) and tighten.
Apply Loctite® 242 to the Countersunk Head Cap Screws (Item 040.7), insert the
Intake Screen (Item 111) and screws into the strainer and tighten.
Apply "Never-Seize" to the shaft extension thread and screw on the Solids Mixer
(Item 106). Tighten using a plastic or rubber hammer.
EFFECTIVE
4
DATE:
Drawing A0116 and A0128
23of 30
01-17-2006
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