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21
SERVICE AND ADJUSTMENTS
SEC OND ARY
IDLER ARM
L.H.
MANDREL
MOWER
BLADE
DRIVE BELT
CENTER
MANDREL
IDLER
PULLEY
R.H.
MANDREL
COVER
SPRING
SWAY-BAR
BRACKET
SCREW
FIG. 26
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 26)
Park the tractor on level surface. Engage parking brake.
• Remove mower drive belt (See “TO REPLACE MOW ER
DRIVE BELT” in this section of this manual).
• Remove mower (See “TO REMOVE MOWER” in this
section of this manual).
• Remove screws from R.H. mandrel cover and re move
cover. Unhook spring from bolt on mower housing.
• Carefully roll belt off R.H. mandrel pulley.
• Remove belt from center mandrel pulley, idler pulley,
and L.H. mandrel pulley.
• Remove any dirt or grass which may have ac cu mu lat ed
around mandrels and entire upper deck surface.
• Check secondary idler arm and idler to see that they
rotate freely.
• Be sure spring is hooked in secondary idler arm and
sway-bar bracket.
• Install new belt in lower groove of L.H. mandrel pulley,
idler pulley, and center mandrel pulley as shown.
• Roll belt over R.H. mandrel pulley. Make sure belt is
in all grooves properly.
• Reconnect spring to bolt in mower housing and re in stall
R.H. mandrel cover.
• Reinstall mower to tractor (See “INSTALL MOWER
AND DRIVE BELT” in the Assembly section of this
manual).
• Re as sem ble mower drive belt (See “TO REPLACE
MOW ER DRIVE BELT” in this section of this manu-
al).
TO REPLACE MOTION DRIVE BELT
(See Fig. 27)
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).