Harbor Freight Tools 99918 Air Compressor User Manual


 
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SKU 65204/
99918
Deection
Distance
2. Press on the center of the longest
span on each belt with moderate
nger pressure (4-4.5 lb.). Then
measure the deection distance, the
distance that the belt moved. The
belt should deect anywhere from
1/4” to 1/2”.
Engine Mounting Bolts
3. If the belts deect too much,
tighten belts by loosening the en-
gine mounting bolts and moving the
engine away from the other pulley
slightly. Secure engine mounting
bolts and retest tension. If either belt
is too long to be properly tensioned,
both belts must be replaced.
If the belts deect too little,4. loosen
belts by loosening the engine mount-
ing bolts and moving the engine
towards the other pulley very slightly.
Secure engine mounting bolts and
retest tension.
Align pump and engine pulleys using 5.
a straight edge to reduce noise and
vibration.
Before use, replace belt cover.6.