Rotech ANSI LTR, Инструкция по установке, эксплуатации и обслуживанию

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18
NOTE: Do not use a hammer, which may cause damage to the shaft.
13. Slide shaft assembly, with housing, out of bearing frame.
14. On the STR and MTR, remove the bearing housing snap ring. On the LTR and XLR, remove bearing cover screws and
remove bearing cover. Then remove the bearing housing by tapping with a rubber hammer.
15. Remove bearing lock nut and bearing lock washer.
16. Remove inboard bearing and outboard bearing. Use an arbor press or bearing puller to facilitate. On LTR models only,
do not remove oil ring unless it is damaged.
17. Complete disassembly of bearing frame. Remove oil plug (not shown), oil sight glass, oil cooler inlet, outlet plugs, and
frame foot attachment bolt and foot, where applicable.
18. Inspect all parts for cracks, erosion, pitting, rusting, damaged threads, corrosion, and groove worn shaft/sleeve. Replace
casing if grooves and pits are greater than 1/8" deep. Replace impeller if grooves are greater than 1/16" or even wear exceeds
1/32". Inspect shaft sleeve if grooved or pitted. Shaft run out or bearing shoulder damage is cause for replacement.
ASSEMBLY PROCEDURES
Refer to Bolt Torque Values when assembling pump.
*Values are in inch-lbs (N-m)
Bolt Torque Values, Ft-Lbs (N-m)
Description Frame
Model 1196
Lube Dry
STR 6" 30 (40) 45 (60)
STR 8" 20 (27) 30 (40)
MTR, LTR 30 (40) 45 (60)
XLR 30 (40) 45 (60)
All 20 (27) 30 (40)
STR, MTR 10* (1.1) 17* (1.9)
LTR 55* (6.2) 83* (9.4)
XLR 9 (12) 12 (16)
Bolt, Casing to adaptor
Bolt, frame to adaptor
Bolt, clamp ring
Bolt, bearing end cover