Poulan 424003 ユーザーズマニュアル

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SERVICE AND ADJUSTMENTS
8.  RELIEVE TENSION ON TRACTION DRIVE BELT 
IDLER and remove traction drive belt from around 
pulleys.
HINT: Insert a 3/8" drive ratchet (in the “ON” position) into 
the square hole in idler arm and rotate ratchet clockwise 
to relieve tension.
9.  With tension relieved on idler, install new traction drive 
belt around pulleys and inside belt keepers.
10.  Install clutch rod in swing plate; secure with hairpin.
11.  Place auger belt around and inside the groove of auger 
pulley only.
12. While your assistant slowly raises handles to rejoin 
the auger hous ing and frame assembly, pull up on the 
auger belt and squeeze sides together above pulley 
so belt is fully seated in groove of pulley.
13.  Move idler arm so it does not hit impeller pulley as you 
bring snow thrower completely together and check 
carefully for proper routing of belts.  If auger belt has 
become dislodged from the pulley (by catching the idler 
arm bracket while bringing snow thrower together), 
separate the snow thrower and re peat step 12.  Belt 
must be fully seated in pulley groove when bring ing 
the snow thrower together.
14.  Install the two (2) hex bolts and tighten securely.
15.  INSTALL ENGINE PULLEY - Place belt in pulley groove 
and slide pulley on crankshaft.  Install flat washer, 
lockwasher and bolt and tighten securely (41-47 N-m 
torque).  Make sure belt is inside belt keeper.
16. INSTALL BELT COVER and two (2) screws. Tighten 
securely.
17.  INSTALL DISCHARGE CHUTE – See “INSTALL DIS-
 CHARGE CHUTE / CHUTE ROTATER HEAD” in the 
As sem bly / Pre-Operation section of this manual.
TO REPLACE BELTS (See Fig. 20)
The auger and traction drive belts are not adjustable. If the 
belts are damaged or begin to slip from wear, they should 
be replaced. It is recommended that the belt(s) be replaced 
by a service centre/department.
NOTE: It is recommended that both the auger and traction 
drive belt be replaced at the same time.
The V-belts on your snow thrower are of special con struc-
 tion and should be replaced by original equipment man u-
 fac tur er (OEM) belts avail able from your nearest service 
centre/department. Using other than OEM belts can cause 
personal injury or damage to the snow thrower.
WARNING: Belt replacement requires 
separation of the snow thrower. While 
separating the auger housing from the 
frame assembly, it is important that 
an assistant stand in the operating 
po si tion and hold the snow thrower 
han dles. Serious personal injury and/
or damage to the unit could occur if the 
snow thrower should fall during the belt 
chang ing process.
1.  REMOVE GASOLINE FROM FUEL TANK - Drain 
gasoline from fuel tank into a suitable container, out-
 doors, away from fire or flame. Wipe up any spilled 
gasoline.
2.  REMOVE DISCHARGE CHUTE - Loosen locknut 
se cur ing chute rotator head to mounting bracket only 
enough to allow chute rotator head to be raised and 
dis charge chute to be removed from snow thrower.
3.  REMOVE BELT COVER - See “TO REMOVE BELT 
COVER” in this section of this manual.
4.  REMOVE ENGINE PULLEY - Remove bolt, lock wash er 
and flat washer securing pulley to engine crankshaft.  
Remove outside (auger) pulley only from crank shaft.
5.  SEPARATE SNOW THROWER - With your assistant 
standing in the operating position holding the handles, 
re move the two (2) bolts holding the auger housing and 
frame together.
WARNING: As the last bolt is removed, 
have your assistant carefully lower the 
han dles down to the ground.
6.  REMOVE HAIRPIN FROM CLUTCH ROD and remove 
clutch rod from swing plate.  Tip swing plate forward.
7.  REMOVE AUGER BELT from around pulley.
FRAME
ASSEMBLY
AUGER 
HOUS ING
HANDLES
FIG. 20
BELT KEEPER
IDLER ARM 
SQUARE 
HOLE
BOLTS
TRACTION DRIVE BELT
CLUTCHING 
IDLER ARM 
BRACKET
AUGER 
BELT
FLAT WASHER
AUGER PULLEY
AUGER
HOUSING
FRAME
ENGINE
PULLEY
LOCKWASHER
BOLT