ENGLISH
MAINTENANCE CHART
CUSTOMER RESPONSIBILITIES
SERVICE RECORDS
Fill in dates as you
complete regular
service.
Before
Each
Use
First
2
Hours
Every
5
Hours
Every
10
Hours
Every
25
Hours
Each
Season
Before
Storage
SERVICE DATES
Check And Tighten All Screws and Nuts
√
√
Check Spark Plug
Check Drive Belt
Check Fuel
√
√
√
√
Drain Fuel
√
√
Lubricate Chute Control Flange
MAINTENANCE
How To Adjust The Chute Crank
How To Replace The Drive Belt
If the chute crank will not rotate fully to the left or
right, adjust as follows.
The drive belt is of special construction and
must be replaced with original factory replace-
ment belt available from your nearest authorized
service center.
NOTE: Illustrations begin on page 3.
Use the following maintenance section to keep
your unit in good operating condition. All the
maintenance information for the engine is in the
engine manufacturer’s instructions. Before you
start the engine, read this book.
1.
2.
(Figure 11) Loosen nuts (1).
Move the crank adjusting bracket (2) to
allow 1/8 inch (3mm) clearance (3) between
the notch in the flange (4) and the outer di-
ameter of the worm gear (5).
1.
Remove the belt cover. See “How To Re-
move The Belt Cover”.
WARNING: Before you make an in-
spection, adjustment (except
carburettor), or repair, disconnect
the wire from the spark plug.
3.
Tighten the nuts (1).
2. (Figure 14) Remove the drive belt (1) from
the idler pulley (2).
3.
Remove the drive belt (1) from the engine
pulley (3). Be careful, not to bend the belt
guides (4).
How To Adjust The Auger Control Cable
The auger control cable is adjusted at the facto-
ry. During normal use, the auger control cable
can become stretched and the auger drive lever
will not properly engage or disengage the auger.
General Recommendations
4.
5.
(Figure 15) Remove the drive belt (1) from
the auger pulley (5).
The warranty on this snow thrower does not cov-
er items that have been subjected to operator
abuse or negligence. To receive full value from
the warranty, the operator must maintain the
snow thrower as instructed in this manual.
Remove the old drive belt (1).
1. (Figure 12) Remove the “Z” hook (1) from
the auger drive lever (2).
6. To install the new drive belt (1), reverse the
above steps.
2.
(Figure 13) Slide the cable boot (3) off the
Some adjustments must be made periodically to
properly maintain the snow thrower.
cable adjustment bracket (4).
7. Make sure the drive belt (1) is seated prop-
erly on the pulleys.
3. Push the bottom of the auger control cable
through the cable adjustment bracket
(5)
NOTE: When the auger control lever is
engaged, the belt guides (4) must be 1/16”
from the drive belt (1).
G
Check for any loose or damaged parts.
(4) until the “Z” hook (6) can be removed.
After Each Use
4.
Remove the “Z” hook (6) from the cable
adjustment bracket (4). Move the “Z” hook
(6) down to the next adjustment hole.
Pull the auger control cable (5) up through
the cable adjustment bracket (4).
Put the cable boot (3) over the cable ad-
justment bracket (4).
(Figure 12) Install the “Z” hook (1) to the
auger drive lever (2).
G
G
G
Tighten any loose fasteners.
Check and maintain the auger.
8.
Install belt cover. See “How To Remove The
Belt Cover”.
5.
6.
7.
8.
Check controls to make sure they are
functioning properly.
G
If any parts are worn or damaged, replace
immediately.
How To Replace The Auger (Figure 16)
1.
2.
3.
Remove the belt cover. See “How To Re-
move The Belt Cover”.
To check the adjustment, start the snow
thrower. Make sure the auger does not rotate
when the auger drive lever is released.
All adjustments in the Maintenance section of
this manual should be checked at least once
each season.
Remove the drive belt. See “How To Replace
The Drive Belt”.
Remove the auger pulley (1) from the auger
shaft (threads are left hand; turn clockwise to
remove).
How To Remove The Belt Cover
(Figure 10)
How To Remove The Top Cover
(Figure 9)
1.
2.
The belt cover (1) is fastened with ten
screws (2). Remove all ten screws.
There are five screws on the front of the belt
cover (1). Three screws on the bottom of the
belt cover (1). Two screws on the top of the
belt cover (1).
Remove the belt cover (1).
To install the belt cover (1), reverse the
above steps.
1.
Remove the five screws (1) from the top
cover (2).
4. To keep the auger (6) from rotating, set a
2”x4” piece of wood (2) on the center
paddle (3) to secure auger (6).
2.
3.
Remove the top cover (2).
To install the top cover (4), reverse the
above steps.
5. Remove the fasteners from the bearing as-
sembly (4). Remove the bearing assembly
(4)
from the auger housing (5).
3.
4.
Lubrication
6. Slide the auger (6) out of the bearing assem-
bly on the right side of the snow thrower.
Before Storage (Figure 9)
7. Tip the auger (6) enough to allow the auger
NOTE: One screw (3) is shorter than the oth-
er screws. Make sure to install screw (3) in
the correct location.
(6)
to slide out of the auger housing (5).
1.
Lubricate the clute control flange (7). Apply
a clinging type of grease such as Lubriplate.
8. To install auger (6), reverse the above steps.
F-031022C
12
| Categories | Murray Snow Blower Manuals, Snow Blower Manuals |
|---|---|
| Tags | Murray 620301X4NB |
| Download File |
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| Document File Type | |
| Copyright | Attribution Non-commercial |
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