Model 415C & 415SGS Instruction Manual
D01669102
April 2019, Revision A
43
see that the paddle shaft is not excessively worn where the shaft extends
into the connecting rod. Replace if wear is excessive. Bent shafts need to be
replaced.
2.
Paddle should be free from damage. If any blades are bent or major wear
exists replace the paddle by removing the roll pin and reinstalling with a
new one.
8.3 Slurry Cup Plug Disassembly and Reassembly
8.3.1
Part A: Disassembly
1.
Insert a paddle shaft and paddle assembly into the paddle connecting rod
and unscrew the rod counter-clockwise from inner magnetic drive shaft.
2.
Remove the nut and plug from the top of the outer mag drive housing.
3.
Unscrew counter-clockwise the outer mag drive housing from the slurry cup
plug. Take care to not spill any oil. Typically this can be done over a spill
catch or sink.
4.
Remove the ball bearing and upper bearing retainer.
5.
Remove the inner mag drive assembly by rotating counter-clockwise and
gently pulling up. The Poly-pak™ fits very tight around the shaft and will
want to roll on itself unless an unscrewing action is used.
6.
Remove ball bearing.
7.
Insert retainer tool into seal retaining plug and unscrew counter-clockwise
to remove seal retaining plug.
8.
Remove Poly-pak™ and spring.
9.
Inspect bearings and Poly-pak™s for wear and contamination. Replace if
necessary. It is likely Poly-pak™ will need replacement after every very hot
test or if wear is evident. Refer to drawing for proper orientation of Poly-
pak™s.
10.
10.
Clean all parts and further inspect for wear or damage.
8.3.2
Part B: Reassembly
1.
Insert spring into the bottom of the slurry cup plug. Orient the plug so that
the spring doesn’t fall out.