Ampco Pumps Company LF 401, Instruction & Maintenance Manual

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14
SERVICE MAINTENANCE AND SCHEDULING
DAILY PUMP MAINTENANCE CHECKS
1. Pump leakage (seal or otherwise)
2. Pressure reading and flow indication
3. Change in operating sound
4. Change in bearing temperature
5. Flow through lip seal lines
Motor lubrication schedule: Every 2200Hrs of standard service.
Every 1100Hrs of severe service.
Every 220Hrs of extreme service.
Standard service is 8-16 hours of service and up to 104ºF/40ºC in a clean/little corrosion
atmospheric contamination.
Severe service is 16+ hours of service per day up to 120ºF/50ºC in a moderate dirt/corrosion
atmospheric contamination.
Extreme service is 8-16 hours of service per day over 120ºF/50ºC in a severe dirt, abrasive dust,
corrosive heavy shock or vibration environment.
SEMI-ANNUAL PUMP MAINTENANCE CHECKS
1. Mechanical seal assembly
2. Motor bearing lubrication
ANNUAL PUMP MAINTENANCE CHECKS-
INCLUDES SEMI-ANNUAL MAINTE-
NANCE CHECKS PLUS:
3. Remove seal for inspection
4. Bearing check
5. Check of axis/running clearance of impeller
CONTINGENCY PLAN
FOR INSPECTION FINDINGS AND BREAKDOWNS, AN ADEQUATE SUPPLY OF
PROBABLE REPLACEMENT PARTS SHOULD BE KEPT ON HAND.
THE MININMUM SPARE PARTS ARE AS FOLLOWS:
1. Single mechanical seal kit
2. Cover gasket
3. Impeller key
IN ADDITION AMPCO RECOMMENDS
4. Impeller
5. Cover
6. Impeller nut
Where service cannot be interrupted, a complete stand-by pump unit fully assembled (in a by-
pass line) is recommended.
LF & LM SERIES PUMPS