Kohler TP 4.0 D, Руководство по обслуживанию

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Remove Outlet Flange
1. Remove outlet fl ange screws and remove outlet
fl ange.
Inspection
Inspect gasket for cracks, tears or improper fi t. Replace
if necessary.
Remove Inlet Flange and Check Valve
NOTE: Check valve position is important. Observe
which way check valve faces inlet fl ange for
reassembly.
1. Remove inlet fl ange screws and remove inlet fl ange.
Inspection
Inspect check valve for tears, cracks, or twists. Replace
if necessary.
Remove Pump Case
NOTE: Pump case is heavy; be prepared to handle the
weight to maneuver for inspection and service.
1. Drain any water from pump case by loosening drain
plug.
2. Remove screws that hold pump case to back plate.
3. Remove pump case.
Inspection
Inspect pump case for cracks or bent castings.
Remove Impeller
NOTE: Impeller is heavy.
1. Using a rubber mallet hit impeller to loosen.
2. Turn impeller counter-clockwise by hand until free
from crankshaft. Be prepared to catch impeller when
free from crankshaft.
3. Inspect impeller for cracks and bent blades.
Inspection
1. Measure distance between shaft shoulder and
rotating seal on shaft. Clearance is 19.1/19.5 mm
(0.7520/0.7677 in.).
2. Thread impeller back on shaft and measure distance
from back plate to outer surface of impeller.
Clearance is 86.0/86.4 mm (3.3858/3.4016 in.).
Remove Mechanical Seal
NOTE: Drops of dish washing soap on shaft will help
remove mechanical seal. This prevents sealing
lip from possibly tearing when removing.
1. Using two screwdrivers, remove mechanical seal by
prying side to side until it is free. It may be
necessary to remove pump case to remove
mechanical seal.
2. Pull seal off crankshaft and inspect for cracks, burn
marks and overall condition. Replace if necessary.
Remove Back Plate
1. Remove screws securing back plate to engine.
These are special screws with special washers.
Make sure to replace with same part numbers if
needed.
Inspection
Inspect back plate for cracks or bent. Replace if
necessary.
Disassembly/Inspection and Service
7 39 690 01 Rev. -- KohlerPower.com