Makita RBC25A instruction manual Daily CHECK-UP and Maintenance

DAILY CHECK-UP AND MAINTENANCE

	r cleaner case
cover
	cleaner
	cover
I	Sponge element
Fig. 12	Fig. 13

0.6mm - 0.7 mm (0.024" -0.028")

	I
Fig. 14	Fig. 15

1. Before operation, pay particular attention to the tightness of the nylon cutting head. Re-tighten the nylon cutting head if necessary (every 8 hours or daily).

2.Check for clogged cooling air passage and cylinder fins. Clean them if necessary (every 8 hours or daily).

3.Clean the air cleaner every 8 hours or daily, using the following procedure:

i). Remove the air cleaner cover. Clean the sponge element and remove any excessive dust or dirt adhering to the cleaner (Fig. 12 and 13). A clogged air cleaner may make it difficult or impossible to start the engine or to increase the engine rotational speed

ii). Re-install the sponge element around the ribs of the air cleaner case.

4.Check the spark plug every 8 hours or daily.

The gap between the two electrodes of the spark plug should be 0.6 to 0.7 mm (0.024"to 0.028"). If the gap is too wide or too narrow, adjust it.

If the spark plug is clogged with carbon or fouled, clean it thoroughly or replace it (Fig. 14).

5.Apply grease (SHELL ALVANIA No. 3 or equivalent) to the gear case through the grease hole every 30 hours (Fig. 15).

6. FOR RBC25A ONLY

Apply grease (SHELLALVANIA No. 2 or equivalent) to the flexible shaft every 50 hours.

i). Pull the gear case from the drive shaft after removing bolts.

ii). Pull the flexible shaft out of the drive shaft housing. Apply grease to the drive shaft.

7.Clean the muffler exhaust port every 50 hours or monthly.

a. Check the fuel filter. If clogged, replace it with a new one every 50 hours or monthly. 9. Replace the fuel lines every 200 hours or yearly.

10. Overhaul the engine every 200 hours or yearly.

11. Replace the packing and gaskets with new ones every time the engine is reassembled. 9