Maintenance, Spark plug, Adjust the height of the handlebar – Hayter Mowers Powertrim 407F User Manual

Page 16

MAINTENANCE

1739579

SPARK PLUG

Check the

spark plug every 25 hours. Re-

place the

spark plug if the electrodes are

pitted or burned or if the porcelain is cracked.

1. Make sure the

spark plug is clean. Clean

the

spark plug by carefully scraping the

electrodes (do not sand blast or use a wire
brush).

2. Check the

spark plug gap with a feeler

gauge. See “Product Specifications” for
the correct

spark plug gap and replace-

ment

spark plug.

3. Before installing the

spark plug, coat the

threads lightly with oil for easy removal.

Tighten the spark plug to a torque of 15
foot−pounds.

Figure 12

Spark Plug

Feeler Gauge

0.030”

ADJUST THE HEIGHT OF

THE HANDLEBAR

Use the

knobs, on each side of the handle-

bar, to adjust the height of the handlebar.
1. Hold the

handlebar with one hand and

loosen both

knobs until the ratchet teeth

are disengaged. Do not remove the

knobs. See Figure 13.

2. Move the

handlebar up or down to the de-

sired position, then align the

ratchet

teeth. Make sure both sides of the hand-

lebar are level.

3. Tighten the

knobs.

Figure 13

Ratchet

Teeth

Knob

Handlebar