5. Remove the engine hood and engine duct to access
the engine the oil drain valve.
6. Place a pan below the drain hose. Open oil drain
valve to allow oil to drain (Figure 37).
G010220
1
2
3
4
Figure 37
1.
Oil drain valve
3.
Oil pan
2.
Oil drain tube
4.
Rear, drive wheel
7. When oil has drained completely, close the drain
valve.
8. Remove the drain hose (Figure 37).
Note:
Dispose of the used oil at a recycling center.
9. Change the oil filter, if necessary (Figure 36).
10. Clean around the oil dipstick and unscrew the cap
11. Slowly pour approximately 80% of the specified oil
into the filler tube (Figure 36).
12. Check the oil level; refer to Checking the Oil Level.
13. Slowly add additional oil to bring it to the full mark.
Changing the Oil Filter
Service Interval:
Every 200 hours—Change the oil
filter. (more often in dusty, dirty
conditions)
1. Drain the oil from the engine; refer to Changing and
Draining the Oil.
2. Remove the old filter (Figure 38).
3. Apply a thin coat of new oil to the rubber gasket
on the replacement filter.
G005674
1
2
Figure 38
1.
Oil filter
2.
Adapter
4. Install the replacement oil filter to the adapter.
Turn the oil filter clockwise until the rubber gasket
contacts the filter adapter, then tighten the filter an
additional 3/4 turn (Figure 38).
5. Fill the crankcase with the proper type of new oil;
refer to Changing and Draining the Oil.
6. Run the engine for about 3 minutes, stop the engine
and check for any leakage around the filter.
7. Add oil to compensate for oil level drop due to oil
filter capacity; refer to Changing and Draining the
Oil.
Servicing the Spark Plug
Service Interval:
Every 100 hours—Check the spark
plug(s).
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:
Champion RCJ8Y (or equivalent)
Air Gap:
0.030 inch (0.76 mm)
Removing the Spark Plug
1. Disengage the blade control switch and move the
control levers to the neutral locked position and
apply the parking brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
29
Summary of Contents for TimeCutter ZD420T
Page 45: ...Schematics G005894 Electrical Diagram Rev A 45 ...
Page 46: ...Notes 46 ...
