Reassembly Of The Pinion - Emerson Bettis RPE-Series Installation, Operation And Maintenance Manual

Section 9: Reassembly
October 2021
9.2

Reassembly of the Pinion

1.
2.
3.
4.
Figure 27
Size 25 - 600
Size 950, 1600 and 2500
Size 4000
Table 15.
Actuator
size
25 - 100
150 - 350
36
Grease the pinion parts according to chapter 9.1.
Install the pinion bearings (19/20) and the O-ring seals (21/22) on the pinion (18).
For Size 950 to 2500, install also the the backup ring (29).
Insert the pinion (18) in the housing. For size 4000: mount first the cam (24),
cam thrust washer (25), pinion top O-ring (21) and backup ring (29) through the
mainbore onto the pinion (18).
For sizes 950 to 4000 install first the top pinion bearing (19). For all sizes, install
the thrust washer (23) and mount the circlip (27) on the pinion top.
— Install the new circlip onto its mating groove on the top shaft extension
and with the non-sharp edge (2) towards the housing and the sharp edge
(1) towards the top of the shaft.
Reassemble the pinion
1
2
23
27
1
2
23
27 19
2
1
23
27
19
Recommended circlip pliers according DIN 5254 (or equal) for circlips
Pinion top Pliers according
diameter
22 mm 0.866"
36 mm 1.417"
600 55 mm 2.165"
950 65mm 2.559"
Installation, Operation and Maintenance Manual
19
21
21
29 19
24
29 25
21
Actuator
DIN 5254 size
A2 1600
A3
2500
A3 4000
A3
DOC.IOM.BE.EN Rev. 12
19
18 21
22
18 20
22
20
18
Pinion top Pliers according
diameter DIN 5254
75 mm 2.953 A3
95 mm 3.74 A4
96 mm 3.78 A4
Reassembly