MAINTENANCE

Checking the Engine's Cooling Air Intake

Check that the engine’s cooling air intake is free from leaves, grass, and dirt.

If the cooling air intake is clogged, engine cooling deteriorates, which can lead to engine damage.

Checking and Adjusting the Throttle Cable

8011-491

Check and clean the cooling air intake

Check that the engine responds to throttle

 

increases and that a good engine speed is

 

attained at full throttle.

 

If doubts arise, contact the service workshop.

 

If adjustments are necessary, they can be

 

made as follows for the lower cable:

 

1. Loosen the clamping screw for the

 

cable’s outer casing and move the

 

throttle to the full throttle position (no

 

choke).

 

2. Check that the throttle cable is mounted

 

in the correct hole in the lever, see

 

illustration.

 

3. Push the throttle cable’s outer casing

 

until choke start position, see illustration,

8011-492

and tighten the clamping screw.

Adjusting the throttle cable

Checking and Adjusting the Choke

Cable

If the engine produces black smoke or is difficult to start, this can be because the choke cable is incorrectly adjusted (upper cable). If doubts arise, contact the service workshop. If adjustments are necessary, they can be made as follows.

1.Loosen the clamping screw for the

cable’s outer casing and push the choke control fully in.

2. Check that the choke cable is mounted in

 

the upper lever, see illustration. Push the

 

8009-404

choke cable’s outer casing as far to the

Choke start position

left as possible and tighten the clamping

 

screw.

 

English-39

Page 41
Image 41
Poulan Pro 900 ZX manual Checking the Engines Cooling Air Intake, Checking and Adjusting the Throttle Cable