Bareshaft Pump
19
MAINTENANCE
Daily
1. Check Power End Oil Level - Add oil as
necessary. Refer to “Checking Power End Oil
Level” on page 52 for instructions.
2. Check Gland Nut Torque - Ensure the gland
nuts are properly tightened for operation.
Refer to “Checking Gland Nut Torque” on page
33 for instructions.
3. Adjust Water Lubrication System - Ensure
the water is properly adjusted on pressure fed
manifolds equipped with needle valves. Refer
to “Checking the Water Lubrication System” on
page 14.
4. Inspect Rupture Discs - Ensure the rupture
discs are installed and inspect for damage.
Refer to “Rupture Disc Inspection” on page
34. Verify extra replacement discs are on
hand in case of a rupture.
50 Hours
1. Uni-Valve Inspection - Inspect the seals for
damage and the valve seats for deposits, jet-
ting or other damage. Refer to “Valve Inspec-
tion” on page 50 .
2. Inspect Pump Breather - Remove the breath-
er and inspect for dirt and debris. Clean or
replace as necessary.
100 Hours
1. Initial Power End Oil Change - After the rst
100 hours of operation on a new unit, change
the power end oil. Refer to “Changing the
Power End Oil” on page 53.
2. Initial Stufng Box Lubrication Check - Re-
move stufng boxes, clean powerframe bore,
lubricate with anti-seize or petroleum jelly, and
replace stufng boxes.
500 Hours
1. Regular Power End Oil Change - Change
the power end oil. Refer to “Changing the
Power End Oil” on page 53.
2. Regular Stufng Box Lubrication Check
- Remove stufng boxes, clean powerframe
bore, lubricate with anti-seize or petroleum
jelly, and replace stufng boxes.
1000 Hours
1. Journal Bearing Inspection - Replace as
necessary.