White Magic PRO 1900, Owner'S Manual

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EVERY 400 HOURS
1. Remove the air cleaner assembly and replace the air cleaner element with
a new one.
2. Remove and replace the fuel filter
3. Check and adjust the idle speed. Refer to Ford owner’s manual.
4. Check and adjust the idle mixture. Refer to Ford owner’s manual.
5. Remove and replace the spark plugs. Be sure to set them to the proper gap (See En-
gine Service Manual).
6. Remove the valve cover and check the valve clearance. Adjust as necessary.
EVERY 800 HOURS
1. Remove the PCV valve and replace it with a new one.
2. Adjust the throttle/governor as necessary. Refer to the Ford owner’s manual.
3. Completely drain and flush the coolant system and replace with fresh coolant.
This should be done every year if 800 hours is not reached first.
4. Re-torque the intake manifold bolts. Refer to the Ford owner’s manual.\
EVERY 1000 HOURS
Completely drain the blower oil and replace with a premium grade, non-detergent with rust,
oxidation and foam inhibitors. The oil level should be midway between the two red lines in the
sight tube. Roots synthetic oil is highly recommended
DO NOT OVERFILL. Never re-
place the breather fitting in the blower with a non-vented plug or serious blower damage
will result.
MAINTENANCE SCHEDULE (continued..)
Ambient Tempera-
ture ºF (ºC)
Viscosity Range
SSU at 100ºF
ISO No. Approximate
SAE No.
Above 90º (32º) 1000-1200 320 60
32º to 90º (0º to32º) 700-1000 220 50
0º to 32º (-18º to0º) 500-700 150 40
Below 0º (-18º) 300-500 100 30
Recommended Oil Grades
33