Poulan 404172 Manuel d'utilisateur télécharger pdf (Page 22)

SERVICE AND ADJUSTMENTS

TO REPLACE MOWER BLADE DRIVE BELT

MOWER DRIVE BELT REMOVAL (See Fig. 32)

• Park tractor on a level surface. En gage parking

brake.

• Lower attachment lift lever to its lowest position.

• Disengage belt tension rod (K) from lock bracket (L).

CAUTION: Belt tension rod is spring

loaded. Have a ﬁ rm grip on rod and

release slowly.

• Remove screws (P) from mandrel covers (Q) and re-

move covers.

• Remove any dirt or grass clippings which may have

accumulated around mandrels and entire upper deck

surface.

• Remove belt from electric clutch pulley (M), both man-

drel pulleys (R) and all idler pulleys (S).

MOWER DRIVE BELT INSTALLATION

• Install belt around all mandrel pulleys (R) and around

idler pulleys (S) as shown.

• Install belt onto electric clutch pulley (M).

IMPORTANT: Check belt for proper routing in all mower

pulley grooves.

• Reassemble mandrel covers (Q). Securely tighten all

screws.

• Engage belt tension rod (K) on locking bracket (L).

CAUTION: Belt tension rod is spring

loaded. Have a tight grip on rod and

engage slowly.

• Raise attachment lift lever to highest position.

FIG. 32

TO CHECK BRAKE

If tractor requires more than ﬁ ve (5) feet to stop at highest

speed in high est gear on a level, dry concrete or paved

surface, then brake must be serviced.

You may also check brake by:

• Park tractor on a level, dry concrete or paved surface,

depress brake pedal all the way down and engage

parking brake.

• Disengage transmission by placing freewheel control

in “transmission disengaged” position. Pull freewheel

control out and into the slot and release so it is held in

the disengaged position.

The rear wheels must lock and skid when you try to manu-

ally push the tractor forward. If the rear wheels rotate, then

the brake needs to be serviced. Contact a qualiﬁ ed service

center.

TO REPLACE MOTION DRIVE BELT

(See Fig. 33)

Park the tractor on level surface. En gage parking brake.

For as sis tance, there is a belt installation guide decal on

bottom side of left footrest.

BELT REMOVAL -

• Remove mower (See “TO RE MOVE MOWER” in this

section of manual).

NOTE: Observe entire motion drive belt and position of all

belt guides and keepers.

• Disconnect clutch wire harness (A).

• Remove anti-rotation link (B) on right side of tractor.

• Remove belt from stationary idler (C) and clutching

idler (D).

• Remove belt from centerspan idler (E).

• Pull belt slack toward rear of trac tor. Carefully remove

belt up wards from trans mis sion input pulley and over

cooling fan blades (F).

• Remove belt downward from engine pulley and around

electric clutch (G).

• Slide belt toward rear of tractor, off the steering plate

(H) and remove from tractor.

BELT INSTALLATION -

• Install new belt from tractor rear to front, over the steer-

ing plate (H) and above clutch brake pedal shaft (J).

• Pull belt toward front of tractor and roll belt around

electric clutch and onto engine pulley (G).

• Pull belt toward rear of tractor. Carefully work belt down

around transmission cooling fan and onto the input

pulley (F). Be sure belt is inside the belt keeper.

• Install belt on centerspan idler (E).

• Install belt through stationary idler (C) and clutch ing

idler (D).

• Reinstall anti-rotation link (B) on right side of tractor.

Tighten securely.

• Reconnect clutch harness (A).

• Make sure belt is in all pulley grooves and in side all

belt guides and keep ers.

• Install mower (See “TO IN STALL MOWER” in this sec-

tion of manual).

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Poulan 404172 Manuel d'utilisateur Page 22

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