Mack 946401 - Drive Belt Replacement

GB - 14
DRIVE BELT REPLACEMENT
To remove the old belt:
1. Stop the engine and wait for all moving
parts to stop. Disconnect the spark plug
wire and place it securely away from the
spark plug.
2. Place unit in service position (see
Maintenance section).
3. Remove the six (6) hex washer head
screws and the trimmer shield.
4. Remove the four (4) hex washer head
screws on the top side of the frame. The
jackshaft assembly, belt fingers and
jackshaft spacers will now be loose.
1. Six hex washer
head screws
2. Trimmer shield
3. Four hex
washer head
screws
4. Trimmer frame
5. Jackshaft
assembly
6. Jackshaft
spacers
7. Jackshaft
pulley belt
fingers
8. V-belt
9. Jackshaft
pulley
10.Engine sheave
11.Capscrew
12.Lock washer
13.Engine sheave
belt fingers
OX0020
1
2
3
7
8
9
4
5
6
10
11
12
13
1
1
CAUTION: Before tipping unit,
remove enough fuel so no spillage
will occur. A piece of plastic bag
may be used to seal fuel tank when
tipping unit. To seal, remove fuel
tank cap, cover fuel tank opening
with plastic, replace and tighten
cap securely before attempting to
tip unit. Be sure to remove plastic
before operating unit.
4
3
2
1
7
6
5
1. Engine sheave
belt fingers
2. Engine sheave
3. Idler
4. Idler belt finger
5. V-belt
6. Jackshaft
pulley belt
fingers
7. Jackshaft
pulley
OX0100