Under-deck Access
Caution: Oil and/or petrol spillage and hard starting may occur unless the following procedure is used when access is required to the underside of the machine.
1.Ensure that the petrol tank is empty or nearly empty.
2.For models fitted with Briggs and Stratton engines:
Remove wing nut and bolt and lower the handle to rest on the floor Fig 10.
Stand the machine on its back Fig 10. Do not tip the mower on its side.
Blade Maintenance
Stand the machine on its back, or its side (see Under- deck Access). Inspect the blade Fig 11A and check that the blade bolt Fig 11B is tight. If the blade is blunt or damaged, fit a new blade.
Use the following procedure to remove and replace the blade.
1.Hold the blade (using gloves or a piece of cloth). Using and referring to Fig 11, remove the
bolt Fig 11B and items C to D.
2.Clean all components and check for damage; renew as necessary.
3.Assemble items
4.Tighten the blade bolt to a torque of 40Nm (29lb ft).
Engine Maintenance
Perform the following operations at the specified periods to ensure long and reliable service from your mower engine.
1.Change engine oil - refer to engine manual for details.
2.Check starter cord - extend the starter cord and check for wear.
3.Clean/change air filter - refer to engine manual for details.
4.Change spark plug - refer to engine manual for details.
Fault Finding
The following table gives checks and actions that you can perform if your machine does not operate correctly. If these do not identify/remedy the problem contact your Qualcast approved service agent.
Warning - switch engine off and remove spark plug before investigating fault.
Symptom | Possible Cause | Remedy |
Engine will not start | Out of fuel | Fill petrol tank |
| Engine not primed | See Starting the Engine |
| Engine flooded with fuel | Leave for |
|
| without priming |
| Spark plug lead disconnected | Connect lead |
| Spark plug dirty/worn | See engine maintenance manual |
| Machine has been incorrectly | See |
| tipped on its side |
|
|
|
|
Engine stops | Out of fuel | Fill petrol tank |
| Cutting blade obstructed | Switch off engine and clear |
|
| obstruction |
| Engine speed to low for conditions | Move throttle |
| (Mowers with throttle control) |
|
|
|
|
Mower leaves ragged finish | Height of cut too low | Increase height of cut |
| Cutting blade blunt | Replace blade |
| Underside of machine badly | Clean mower (see After Mowing/ |
| clogged | Storage) |
| Blade fitted upside down | Refit blade correctly |
|
|
|
Land drive does not engage | Drive belt damaged | Contact a Qualcast Approved |
(Self propelled models) |
| Service Agent |
|
|
|
Excessive vibration/noise | Blade nut/bolt loose | Tighten blade nut/bolt |
| Cutting blade damaged | Replace blade |
|
|
|