Advanced Troubleshooting; Motor Does Not Operate - Graco Magnum L10 Repair Manual

Advanced Troubleshooting

Advanced Troubleshooting
See Basic Troubleshooting first, page 15 for problems that are more easily remedied.
Specific Problem
Basic mechanical problems.
20

Motor Does Not Operate

Cause
Paint is frozen or hardened in
pump.
Gears are damaged.
L30+: Yoke is broken because
pump is locked up due to dried
paint or worn packings.
Solution
See Basic Troubleshooting, page 15.
Remove motor enclosure and rotate motor fan to
check for bad gears. If gears bind or slip, remove
pump cover and replace failed gears. See List of
Kits, page 30.
Repair or replace using Gear/Yoke Kit. See List
of Kits, page 30.
Replace pump packings on L30+ sprayers. See
List of Kits, page 30.
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