Installation, Operation and Maintenance Manual
MAN-02-10-92-0705-EN Rev. 0
March 2019
6
Section 3: Disassembly Instructions
Disassembly Instructions
4.2
Instructions - GB1 Spur Gear Attachment
1. Remove retaining ring (32), allowing the removal of handwheel and key (33) from
input shaft (30).
2. Remove eight GB1 cover bolts (29), housing cover (27) and gasket (24).
3. Remove input shaft (30). If damaged or bent, replace. Check bronze bearings
(25) & (22) for wear. Replace if needed.
4. Remove retaining ring (28). If damaged or bent, replace.
5. Remove gear (31) from worm shaft (18).
6. Remove eight socket head cap screws (34).
7. Remove GB1 housing (21) and end cap gasket (7).
8. Inspect bearing (22). If worn or damaged, replace.
9. Inspect all gaskets and a-rings. If worn or damaged, replace.
To reassemble, proceed in reverse order listed above.
Figure 2
WG54 320:1 11.75" (DWG 83839 Rev. D)
