Calder Brothers Corporation
Model: M415XT Maintainer
M415XT
Section H - Service
The top of the Battery MUST always be kept clean. Clean the Battery with a brush dipped in an
alkaline solution (ammonia or baking soda and water). After the foaming has stopped, flush the top
of the Battery with clean water. If the terminals and cable connection clamps are corroded or have
a build-up, disconnect the cables and clean the terminals and clamps with the same alkaline
solution.
After cleaning the top of the Battery, check the fluid level by removing the filler-vent caps. If the
level is low, add clean, soft water or distilled water. Fluid level is correct when the liquid covers
the rings in the filler wells, or is a minimum of 1/4” above the plates.
NOTE
Since water and electrolyte will NOT mix immediately, do NOT add water in freezing weather unless
the Battery is warm. If water is added, run the Engine for a minimum of two hours.
Cylinder Attachment Bolts and Pin Setscrews (250 Hours) Check and re-tighten if loose.
Air Cleaner (250 Hours)
Completely wipe the outside of the Air Cleaner body with a rag or cloth. Blow off excess dirt and
dust with compressed air. Disassemble as follows.
1.
Remove, empty, and wipe out the Air Intake Bowl Pre-cleaner.
2.
Loosen the Clamp ring and remove the End Cap. Remove the Dust Cup. Wipe the
End Cap and Cup completely clean. Reassemble the End Cap.
3.
Remove the Element Wing Bolt, rotate the Element 180°, and remove it. Wipe the
entire inside of the main Body.
WARNING
NEVER use gasoline or solvent to clean the Air Cleaner or its subassemblies. These are flammable
and could explode or ignite, causing death or serious injury.
Air Cleaner Element (250 Hours)
This Element, although re-cleanable periodically, should be replaced every season:
The Air Cleaner Element may be cleaned with LOW pressure compressed air or washed with
water if extremely dirty.
NOTE
Do NOT blow air or water from the “outside to the inside” when cleaning the Element. This can clog the
element and restrict proper air mixture to the fuel system.
If contaminants in the Element contain soot or oily deposits, it may be necessary to wash the Element. Two
ounces of detergent soap mixed with a gallon of water makes a good soak/wash solution. Soak for 15
minutes or more and rinse with clear water. Remove excess water with low air pressure. The Element must
dry at 70°F (21°C) for a minimum of 48 hours before reusing.
CAUTION
NEVER use an Element that is damaged. Severe Engine wear and eventual failure can result if dirt gets
through a hole in the Element.
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