K2 Pumps SWG20001DBK Manual Del Proprietário página 9

Reassembly
Mechanical Seal - Clean and oil seal cavity in bearing bracket (16). Lightly oil (Do not use grease) outer surface of
stationary member. Press seal's (28) stationary member firmly into bearing bracket (16), using a seal tool or pipe.
Nothing should come in contact with the seal face except the seal tool. Be sure the stationary is in straight. Place
seal's (28) rotary ring and spring over shaft until seated on shaft shoulder. Slide a bullet tool over rotor shaft threads.
Lightly oil (Do not use grease) shaft, bullet, and inner surface of bellows on rotating member, with finished end away
from motor, slide rotating member over bullet and onto shaft until it engages spring.
Make sure spring is seated in retaining ring and spring is lined up on rotating member and not cocked or resting on
bellows tail. (See Figure 2)
IMPORTANT! Do not hammer on the seal pusher. It will damage the seal face.
Figure 3
Impeller - Place impeller (25) on motor shaft, with machined step fitting inside the inside diameter of seal spring, by
turning clockwise while holding shaft stationary with screwdriver.
Shredding Ring - Install shredding ring (22) into volute with the use of an arbor press. Place cap screw (24) on
shredding ring (22).
Volute- Place volute (21) and volute washer (26) on seal plate (17). Place cap screw (19) and torque evenly to 11
ft/lbs.
Note: Discharge must line up with notch in motor housing.
Cutter - Screw radial cutter (20) onto shaft, turning it clockwise while holding the shaft stationary with a screwdriver.
The radial cutter (20) should be flush with shredding ring (22), on suction side to within ± 0.020.
For Professional Technical Support call 1-844-242-2475
Power Cable Connection - Check power cord (1) for
cracks or damage and replace if required. Insert female end
of cord plug into housing bore aligning timing mark with hole
in terminal block, see Figure (3). Compress cord plug with
compression flange by tightening cap screws (2) with power
cord plate (3) into the housing (31). Torque to 132 in-lbs
Seal Plate –Place seal plate (17) and O-ring (15) on
bearing bracket (16). Place cap screw (18) on seal plate
(17). Refill with new oil into seal plate (17). Place oil plug on
seal plate (17).
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