MEGA Corp. MAC-INSP-RSP-5 - Manual (Page 12)

MAC/MAT-INSP-RSP-5
4 Feb 2014
SECTION 2
Scheduled Maintenance Inspections
2-3
STEP
M-3 WATER PUMP SYSTEM
150 HRS
(WEEKLY)
250 HRS
(BI‐WEEKLY)
500 HRS
(MONTHLY)
1,000 HRS
(QUARTERLY)
5,000 HRS
(ANNUALLY)
1
Remove water pump from unit and check: water
pump impeller retaining bolt/nut for security and
for damage or contact to the impeller, impeller
keyways for wear and security, shaft bearings for
signs of heating and wear, drive end shaft keyways
for signs of damage and heating and seals for
security, damage and over or under lubrication.
Check volute case for damage or contact. Check
both of the impeller wear rings for damage and
excessive wear. Check packing mount for security.
(Disassembly of water pump is required to perform
these maintenance operations). Repair as required.
X
2
Check shaft seals for excessive lubricant leakage
and water leakage. Lubricate water pump with a
manual grease gun only. When lubricating the drive
motor side shaft bearing and the impeller end
bearing, apply 16 to 20 squirts (injections) of grease
(2 fl. oz. or 60 cc) to each. Adjust, repair or replace
as required.
X
3
Check water pump and drive motor for leaks,
excessive vibration/noise leaks and evidence of
excessive heating. Repair as required.
X
4
Check rope seals for excessive water leakage,
compression, wear and overheating. Adjust rope
packing seal packing gland or replace rope packing
seals as required.
X
5
Check water pump inlet and discharge piping for
security, leakage and misalignment. Repair leaks as
required.
X