Reassembly
9.2
Reassembly of the Pinion
1.
Grease the pinion parts according to Section 9.1.
2.
Install the pinion bearings (19/20) and the O-ring seals (21/22) on the pinion (18).
For Size 950 to 1600, install also the the backup ring (29).
3.
Insert the pinion (18) in the housing.
4.
For sizes 950 to 1600 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.
Figure 32
Reassemble the Pinion
1
2
1
2
21
19
18
19
21
18
27
23
29 19
19
22
20
21
Sizes 950 and 1600
Sizes 40 to 600
23
Table 16.
Recommended circlip pliers according DIN 5254 (or equal) for shaft circlips
Actuator
size
Pinion top
diameter
Pliers according
DIN 5254
Actuator
size
Pinion top
diameter
Pliers according
DIN 5254
40 - 100
22 mm
0.866"
A2
950
65 mm 2.559"
A3
150 - 350
36 mm
1.417"
A3
1600
75 mm 2.953"
A3
600
55 mm
2.165"
A3
Installation, Operation and Maintenance Manual
DOC.IOM.BQ.E Rev. 3
April 2019
43
Section 9: Reassembly
