34
9. With the radiator cap off, tilt the engine cover down and
put the seat down. Start the engine. Run the engine until
it is warm.
10. Tilt the seat up, tilt the engine hood forward, and keep
the engine running. As air is purged from the engine
block and the coolant level drops, add additional
coolant to the radiator until it is full.
11. Install the radiator cap. Completely seat the cap by
pushing down and turning it until it stops.
12. Shut off the engine.
13. Check for any leaks in the cooling system.
14. Close the engine cover and tilt the seat back.
Important
Check the coolant level after the first 8
hours of changing the coolant.
1
2
m–5031
Figure 43
1.
Radiator cap
2.
Antifreeze overflow bottle
Inspecting the Cooling System
Inspect the radiator and the hoses initially and after the first
8 operating hours.
Inspect the radiator and the hoses every 200 hours.
Check the hoses and radiator for cracks, dents, and
fractured seams. Repair or replace damaged hoses or the
radiator.
Servicing the Spark Plug
Check the spark plug(s) after every 100 operating hours.
Make sure that the air gap between the center and side
electrodes is correct before installing the spark plug. Use a
spark plug wrench for removing and installing the spark
plug(s) and a gapping tool/feeler gauge to check and adjust
the air gap. Install a new spark plug(s) if necessary.
Type: NGK BPR2ES (or equivalent)
Air Gap: 0.030 inch (0.76 mm)
Removing the Spark Plug
(s)
1. Disengage the power take off (PTO) and stop the
engine. Move the levers to the neutral locked position
and apply the parking brake. Remove the key.
2. Clean around the spark plug(s) to prevent dirt from
falling into the engine and potentially causing damage.
Pull the wire(s) off of the spark plug(s) (Fig. 44).
3. Remove the spark plug(s) and metal washer.
2
1
m–5038
Figure 44
1.
Spark plug wire
2.
Spark plug
Checking the Spark Plug
1. Clean the electrodes by scraping or with a wire brush to
remove carbon deposits and wetness (Fig. 45).
2. Inspect the spark plug (Fig. 45).
Important
Always replace the spark plug(s) when it
has a black coating, worn electrodes, an oily film, or
cracks.
Summary of Contents for Z287L Z Master
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