Viking Pump TSM153: N-R 333/4333 - Manual (Page 8)

SECTION TSM 153 ISSUE D PAGE 8 OF 16
DANgER !
Before starting pump, be sure all drive
equipment guards are in place.
Failure to properly mount guards may
result in serious injury or death.
FIgURE 9
11. Insert both tapered roller bearings in thrust bearing
housing, large end of inner races together. It is possible
to install bearings incorrectly, for proper assembly refer
to Figure 9.
12. Install bearing spacer collar on shaft next to Inner race of
roller bearing.
13. Turn inner end cap into thrust bearing housing just far
enough to hold in place.
Install outer end cap and turn in approximately half way.
14. Insert length of hardwood or brass bar through port
opening between rotor teeth to keep rotor from turning.
15. Install lockwasher with tang in keyway on shaft. Tighten
locknut to 170-190 ft – lbs. Torque. Bend one tang of lock
washer into slot of locknut. If tang does not line up with
slot tighten lock until it does. Failure to tighten locknut or
engage lock washer tang could result in early bearing
failure or cause damage to rest of pump. Bend one tang
of lock nut into slot of locknut.
16. Remove length of hardwood or brass bar from port
opening.
17. Install nuts on packing glands studs and tighten. Do not
over tighten, may cause bind on rotor shaft.
18. Reinstall suckback tubing to casing and rotor bearing
sleeve.
19. Lubricate all grease fittings with multi-purpose grease,
NLGI #2.
20. Adjust pump end clearance. Refer to THRUST BEARINg
ADJUSTMENT, page 14.