Maintenance - Graco LineLazer IV 200HS Repair And Parts List

Pressure Relief Procedure
1. Engage gun trigger safety.
2. Turn engine ON/OFF switch to OFF.
3. Move pump valve to OFF (clockwise) and turn
pressure control knob fully counterclockwise.
4. Disengage trigger safety. Hold metal part of gun
firmly to side of grounded metal pail, and trigger
gun to relieve pressure.
5. Engage gun trigger safety.
6. Open pressure drain valve. Leave valve open until
ready to spray again.
If you suspect that the spray tip or hose is completely
clogged, or that pressure has not been fully relieved
after following the steps above, VERY SLOWLY
loosen tip guard retaining nut or hose end coupling to
relieve pressure gradually, then loosen completely.
Now clear tip or hose.
CAUTION
D Minimum hose size allowable for proper sprayer
operation is 3/8 in. x 50 ft
D For detailed engine maintenance and specifica-
tions, refer to separate Honda Engines Owner's
Manual, supplied.
DAILY: Check engine oil level and fill as necessary.
DAILY: Check hydraulic oil level and fill as neces-
sary.
DAILY: Check hose for wear and damage.
DAILY: Check gun safety for proper operation.
DAILY: Check prime/spray drain valve for proper
operation.
DAILY: Check and fill gas tank.
DAILY: Check that displacement pump is tight.

Maintenance

DAILY: Top off TSL level in displacement pump
packing nut to help prevent material buildup on piston
rod and early wear of packings.
AFTER THE FIRST 20 HOURS OF OPERATION:
Drain engine oil and refill with clean oil. Reference
Honda Engines Owner's Manual for correct oil viscos-
ity.
WEEKLY: Remove engine air filter cover and clean
element and replace, if necessary. If operating in an
unusually dusty environment: check filter daily.
WEEKLY/DAILY: Remove any debris from hydraulic
rod.
AFTER EACH 100 HOURS OF OPERATION:
Change engine oil. Reference Honda Engines Owner's
Manual for correct oil viscosity.
SEMI-ANNUALLY:
Check belt wear, page 18; replace if necessary.
YEARLY OR 2000 HOURS:
Replace hydraulic oil and filter element with Graco
hydraulic oil 169236 (5 gallon/18.9 liter) or 207428 (1
gallon/3.8 liter) and filter element 246173; page 22.
SPARK PLUG: Use only BPR6ES (NGK) or
W20EPR--U (NIPPONDENSO) plug. Gap plug to
0.028 to 0.031 in. (0.7 to 0.8 mm). Use spark plug
wrench when installing and removing plug.
Caster Wheel
(See letter call-outs in Parts drawing on page 36)
1. Once each year, tighten nut (127, Detail A) until
spring washer bottoms out. Then back off the nut
1/2 to 3/4 turn.
2. Once each year, tighten nut (127) until it begins to
compress spring washer. Then tighten the nut an
additional 1/4 turn.
3. Once each month, grease wheel bearing (F).
4. Check pin (55) for wear. If pin is worn out, there
will be play in the caster wheel. Reverse or re-
place pin as needed.
5. Check caster wheel alignment as necessary.
To align: loosen bolt (145), align wheel and tighten
bolt.
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