Rotech ANSI LTR, Инструкция по установке, эксплуатации и обслуживанию

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NOTE: LTR frames use duplex angular contact bearings.
Make sure bearings are mounted in the correct order, back to back.
WEAR INSULATED GLOVES when using heater.
Failure to do so can result in serious personal injury
while handling hot bearings.
! WARNING !
1. Clean the bearing frame and inspect all tapped holes. Chase as needed.
2. Install oil fill plug, oil sight glass, and frame lubrication plugs.
3. Attach bearing frame foot with bolts, where applicable.
4. On the LTR model, install oil ring on shaft, if removed. Oil ring is a press fit onto shaft.
5. On the LTR model, install bearing cover over shaft.
6. Install outboard bearing on shaft.
• If grease lubricated, install with shield away from impeller end.
• If oil lubricated, there should be no seals or shields.
• The recommended bearing installation method is heating the bearing using an induction heater.
7. Install a bearing lock washer on the shaft.
a. Place tang of lock washer in shaft keyway.
b. Install lock-nut on shaft.
c. Using a spanner wrench, tighten the nut until snug; then bend any one of the tangs into a lock-nut slot.
8. Install inboard bearing on shaft.
• If grease lubricated, install with shield toward impeller end.
• If oil lubricated, there should be no seals or shields.
9. Install the outboard labyrinth oil seal in the bearing housing. Follow
• Maintenance instructions in Appendix 3.
10. Apply a thin coating of lubricant to the inside of the bearing housing.
11. Slide the bearing housing over the outboard bearing assembly and shaft. Place the coupling end of the shaft into the
bearing housing through the labyrinth oil seal.
• On the XLR model, install the bearing cover gasket.
• On the STR and MTR models, install the bearing housing snap ring into the groove on the bore of the bearing
housing. Make sure the flat side is toward the bearing.
• On the LTR and XLR models, install bearing cover and bolts.
12. Install a new O-ring over the O.D. of the bearing housing.
13. Apply a thin coating of lubricant to the outside of the bearing housing and slide the assembly into the bearing frame.
14. Install bearing housing bolts into bearing frame and install jack bolts and jam nuts. Hand-tighten evenly.
15. Attach frame to adapter.
a. Align dowel pins, adapter bolts and frame to adaptor gasket.
b. Tighten using criss-cross pattern.
NOTE: Use proper size drive tool to prevent damage.
NOTE: Make sure drain slots face down.