Troubleshooting; Repair - Lincoln SKF J Series Installation Instructions Manual

Troubleshooting

If the following procedures do not correct
the problem, contact a factory authorized
service center. When submitting equipment
to be repaired, be sure to state the nature
of the problem and indicate if a repair cost
estimate is required.
Troubleshooting
Problem
Air motor does not operate.
Air seepage from air exhaust while pump is not operating.
Loss of pressure, volume or continuous operation
of pump when not in normal use.
Lubricant leaking from weep hole in outlet casting.
Excessive amount of air in lubricant or excessive
amount of lubricant coming from air exhaust.
NOTE
Some lubricant exhausts with air
normally.
Corrective action
Check air supply to pump.
Check for broken trip rod.
Broken toggle or foreign object lodged in priming tube.
Check for rust, worn or scored parts.
Check valve slide seat and gasket (58). Check trip rod packing (19) and gasket (17)
for cut or damaged packing.
Remove and clean lower inlet checks. Check for foreign material.
Inspect sealing surfaces between upper and lower inlet checks.
Replace if worn or pitted.
Replace shovel rod if rough or pitted. Replace shovel rod packing (45).
Inspect lubricant supply line for leaks or breaks.
Replace o-ring (26) and u-cup (27). Make sure gland nut (21) is tight.
Replace gland packing (23), gland gasket (24), o-ring (26)
and u-cup packing (27).
11

Repair

Repair is limited to replacement of listed
service parts. Special procedures and tools
are required. Contact Lincoln Customer
Service, 5148 North Hanley Road, St. Louis,
MO 63134, (314) 679-4200 for your nearest
authorized service center.
When ordering replacement parts, list:
– part number
– description
– model number
– series letter