Instruction Manual
Page 25 of 40 Issue: 2.1
N:\Engineering\Manuals\Pump Unit E2-30 & 40 R2.1.doc
Maintenance – Section 6.1 - Assembly Procedure
Main Shaft Assembly
1. Place cam (29) onto top shaft (28) and then place
base shaft (30) on top of cam.
2. Align holes and screw in M10 x 70 (17) cap head
screws using loctite 243 on threads, tighten to 65Nm
Main Drive Assembly
1. Place the top plate assembly onto a bench.
2. Clean the inner surface of bearing and shaft assembly. apply a light coating of
bearing lock retainer (Typically Loctite 641)
3. Clean the Ø50 section of the shaft.
4. Place shaft assembly squarely into the bearing. The shaft should be a firm
press fit to ensure inner race of bearing contacts with the Ø58 shoulder.
5. Pick up the bottom plate assembly and remove the inner race from the
bearing. Fully grease the shaft seal and bearing with (502375)
6. Place the bottom plate assembly over the shaft end. Locate the dowels into
the dowels holes in the top plate. Lightly grease threads and fit the M12x40
cap head screws (20), tighten to 70Nm.
7. Grease (use 502375) the inner race of the bottom bearing and the rollers of
the bearing. Push the inner race over the shaft until it contacts the Ø80
shoulder. There should be at least a 0.1mm gap between the rollers and the
inside edge of the inner race.
8. Light grease the M45 locking nut (31) (use 502375). Screw the nut onto the
shaft and tighten using special castellated tool (502509).
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