Emerson EL-O-Matic F Series - 9.2 Reassembly of the pinion

Reassembly
9.2 Reassembly of the pinion
1. Grease the pinion parts according to chapter 9.1.
2. 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).
3. Insert the pinion (18) in the housing. For size 4000: mount rst the cam (24), cam
thrust washer (25), pinion top O-ring (21) and backup ring (29) through the main-
bore onto the pinion (18).
4. For sizes 950 to 4000 install rst 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 27 Reassemble the pinion
27
23
23
27
Sizes 950, 1600, and 2500
Sizes 25 to 600
Size 4000
19
21
19
21
18
18
27
23
19
29 19
18
19
2221
22
29 25
24
21
20
20
1
2
1
2
1
2
Table 14. 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
12 16 mm 0.630" A1 950 65 mm 2.559 A3
25 - 100 22 mm 0.866" A2 1600 75 mm 2.953 A3
150 - 350 36 mm 1.417" A3 2500 95 mm 3.74 A4
600 55 mm 2.165" A3 4000 96 mm 3.78 A4
36
September 2017
Installation, Operation and Maintenance Manual
DOC.IOM.EF.EN Rev. 7
Section 9: Reassembly