Service - 66 100sx Operator’s Manual
50 Hour
Change Hydraulic Fluid and Filters
Change hydraulic fluid and filters every 50 hours or
annually, whichever occurs first.
To change hydraulic fluid:
1. With fluid warm, remove drain plug (3), located
at bottom of reservoir.
2. Drain fluid and replace plug.
3. Replace filter (2).
4. Fill through fill cap (1) to center of reservoir
sight glass with THF. Reservoir capacity is 3.5
gal (13.2 L).
Change Spark Plug
Change spark plugs every 50 hours or annually,
whichever occurs first.
To change spark plug:
1. Disconnect the ignition coil.
2. Remove the spark plug.
3. Use a feeler gauge to set gap (shown) on new
spark plug to 0.028-0.031 in (0.70-0.80 mm)
4. Install new spark plug.
IMPORTANT: When reassembling, install the
ignition coil inside the spark plug terminal
firmly. Make sure that the wiring and the
ignition coil are correctly connected.
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