Maintenance
20 3A4399A
Maintenance
Routine maintenance is important to ensure proper operation of your sprayer. Maintenance includes performing routine
actions which keep your sprayer in operation and prevents trouble in the future.
Cleaning/Replacing Gun Filter
A plugged filter reduces gun performance. Clean filter af-
ter each use. See Spray Gun Parts, page 38 for refer-
ence numbers.
1. Perform Pressure Relief Procedure, page 8.
Engage trigger lock (2).
2. Disconnect fluid hose from gun at swivel (8).
3. Disconnect trigger guard (19) from guard retainer
(10).
4. Unscrew handle (7) from gun (1).
5. Remove filter (5) through top of handle (7).
6. Inspect filter (5) for damage to the filter mesh.
Replace the filter if the filter mesh has holes or
voids.
7. Clean filter (5). Use a soft brush to loosen and
remove excess debris.
8. Inspect handle bore (7) for damage. Replace the
handle bore if it is corroded or pitted and check
material for compatibility with aluminum.
9. Insert clean filter (5) into handle (7).
10. Reattach handle (7) to gun (1). Tighten securely.
11. Reconnect trigger guard (19) to guard retainer (10).
Activity Interval
Inspect/clean sprayer filter, fluid inlet strainer, and gun filter. Daily or each time you spray
Inspect motor shield vents for blockage.
Daily or each time you spray
Fill TSL by adding through TSL fill point.
Daily or each time you spray
Check sprayer stall.
With sprayer gun NOT triggered, sprayer motor should stall and not restart until gun
is triggered again.
If sprayer starts again with gun NOT triggered, inspect pump for internal/external leaks
and check prime valve for leaks.
Every 1000 gallons (3785
liters)
Throat packing adjustment
When pump packing begins to leak after extended use, tighten packing nut down until
leakage stops or lessens. This allows approximately 100 gallons of additional
operation before a repacking is required. Packing nut can be tightened without 0-ring
removal.
As necessary based on usage
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