Zenoah BK3420FL-EZ - Manual (Page 23)

23
7. Maintenance
■ AIR COOLING VENT
Do not put any waste into the intake air-cooling vent
while the machine is in operation. It might touch the
rotating part, causing danger.
Check the intake air-cooling vent and the cooling fin of the
cylinder, and remove any dirt attached thereto every 25
hours of use. (MA6)
If any waste or dirt is jammed between the intake air-cooling
vent and the cylinder fin, the engine might overheat, causing
trouble.
(1) Cylinder fin (2) Intake air-cooling vent
■ GEAR CASE (MA7)
Supply lubricating grease to the gear case every 25 hours of
use.
Designated grease
Lithium-based heat-resistant grease (#2)
[How to supply grease]
1. Remove the blade and the blade rest plate.
2. Remove the plug beside the gear case, and pour tube
grease from the plug hole.
3. Stop supplying the grease when all the old grease has
been pushed out from the shaft connecting hole on the
side where the main pipe is installed, and mount the
plug in its original position.
4. Wipe off the pushed-out grease, and mount the blade
and the blade rest plate in their original positions.
(1) Plug (2) Blade rest plate
■ FLEXIBLE SHAFT (MA8)
Apply grease to the flexible shaft every 25 hours use.
1. Take out the flexible shaft while raising the stopper of
the clutch housing.
2. Take out the inner shaft, apply grease to the surface
of the inner shaft, and insert the inner shaft into the
liner.
Designated grease
Lithium-based heat-resistant grease (#2)
(1) Stopper (2) Liner (3) Inner shaft
(4) Grease (5) Liner
IMPORTANT
WARNING
MA6
MA7
MA8