Stiga PRO 25 manual Air filter, engine, Removal/Installation, Cleaning, Air filter Pro16, Pro20

ENGLISH

5.9.3 Removal/Installation

The battery is placed under the tank. To access the battery, first dismantle the fuel tank as follows:

1.Open the engine casing.

2.Close the fuel cock, see 14.

3.Unscrew the two wing nuts (16:B) and remove the clamps.

4.Carefully lift up the petrol tank.

During removal/installation of the battery, the fol- lowing applies regarding connection of the cables:

•During removal. First disconnect the black ca- ble from the battery’s negative terminal (-). Then disconnect the red cable from the battery’s positive terminal (-).

•During installation. First connect the red cable to the battery’s positive terminal (+). Then con- nect the black cable to the battery’s negative ter- minal (-).

If the cables are disconnected/connect- ed in the wrong order, there is a risk of a short-circuit and damage to the bat- tery.

If the cables are interchanged, the gen- erator and the battery will be damaged.

Tighten the cables securely. Loose ca- bles can cause a fire.

The engine must never be driven with the battery disconnected. There is a risk of serious damage to the generator and the electrical system.

When the battery has been rectified, install the fuel tank as follows:

Check that the petrol hose is not clamped against the hydraulic pump and does not come into contact with this. The hydraulic pump becomes very hot during operation. Risk of fire.

1.Place the petrol tank on the brackets. Check that the petrol hose is not touching the hydraulic pump.

2.Install the clamps and tighten the wing nuts (16:B).

5.9.4 Cleaning

If the battery terminals are coated with oxide, they should be cleaned. Clean the battery terminals with a wire brush and lubricate them with terminal grease.

5.10 Air filter, engine

5.10.1 Air filter (Pro16, Pro20)

The pre-filter (foam filter) must be cleaned/re- placed after 25 hours of operation.

The air filter (paper filter) must be cleaned/re- placed after 100 hours of operation.

NOTE! The filters should be cleaned/replaced more often if the machine operates on dusty ground.

Remove/install the air filters as follows.

1.Clean carefully around the air filter cover.

2.Dismantle the air filter cover (26:A) by remov- ing the two clamps.

3.Dismantle the filter assembly (26:B). The pre- filter is placed over the air filter. Make sure that no dirt gets into the carburettor. Clean the air fil- ter housing.

4.Clean the paper filter by tapping it gently against a flat surface. If the filter is very dirty, replace it.

5.Clean the pre-filter. If the filter is very dirty, re- place it.

6.Assemble in the reverse order.

Compressed air or petroleum-based solvents such as kerosene may not be used for cleaning the paper filter insert. This will damage the filter.

5.10.2 Air filter (Pro25)

The pre-filter (foam filter) must be cleaned after 25 hours of operation.

The air filter (paper filter) must be replaced after 100 hours of operation.

NOTE! The filters should be cleaned/replaced more often if the machine operates on dusty ground.

Remove/install the air filters as follows.

1.Clean carefully around the air filter cover.

2.Dismantle the air filter cover (27:A) by undoing its screw (27:B).

3.Dismantle the filters. The pre-filter (27:C) is placed over the air filter (27:D). Make sure that no dirt gets into the carburettor. Clean the air fil- ter housing.

4.Wash the pre-filter (27:C) in liquid detergent and water. Squeeze dry. Pour a little oil on the filter and squeeze in the oil.

5.Assemble in the reverse order. Check that the rubber seal (27:E) is undamaged. Replace the seal if necessary.

73