Maintenance
3A4637A Operation, Repair, Parts
9
Maintenance
DAILY:
Check hose for wear and damage.
DAILY:
Check gun safety for proper operation.
DAILY:
Check pressure drain valve for proper
operation.
DAILY:
Check and fill the gas tank.
DAILY:
Check level of TSO in displacement pump pack-
ing nut. Fill nut, if necessary. Keep TSO in nut to help
prevent fluid buildup on piston rod and premature wear
of packings and pump corrosion.
Engine Maintenance Schedule
FIRST 5 HOURS:
Change oil
EVERY 8 HOURS OR DAILY:
• Check engine oil level.
• Clean area around muffler and controls.
• Clean air intake grille.
EVERY 25 HOURS OR ANNUALLY:
• Clean air filter.
• Clean pre-cleaner.
EVERY 50 HOURS OR ANNUALLY:
• Change engine oil.
• Service exhaust system.
EVERY 100 HOURS:
Change gear reduction oil (if
equipped)
ANNUALLY:
• Replace spark plug.
• Replace air filter.
• Replace pre-cleaner.
• Service fuel system.
• Service cooling system.
• Check valve clearance.
SPARK PLUG:
Use only Briggs & Stratton 491055S or
Champion RC12YC spark plug. Gap plug to 0.030 in.
(0.762mm). Use spark plug wrench when installing and
removing plug.
Front Wheel Alignment:
Align front wheel as follows:
1. Loosen cap screw (114).
2. Position front wheel left or right, as necessary, to
straighten alignment.
3. Tighten cap screw. Push striper and let striper roll
with hands off of striper.
NOTE:
If striper veers right or left, repeat steps 1 and 2
until striper rolls straight.
114
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