Husqvarna 2748 GLS Lawn Mower User Manual


 
21
SERVICE AND ADJUSTMENTS
02966
A
A
02548
B
B
NOTE: Each full turn of the adjustment nut will change
mower height about 1/8".
Recheck measurements, adjust if necessary until front
tip of blade is 1/8" to 1/2" lower than the rear tip.
Hold adjustment nut in position with wrench and tighten
jam nut securely against adjustment nut.
FIG. 26
FIG. 27
FIG. 28
TO REPLACE MOWER BLADE DRIVE BELT
(See Fig. 29)
MOWER DRIVE BELT REMOVAL
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 firm grip on rod and
release slowly.
Remove screws (P) from mandrel covers (Q) and
remove 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.
Recheck measurements, adjust if necessary until both
sides are equal.
FRONT-TO-BACK ADJUSTMENT (See Figs. 27 and 28)
IMPORTANT: Deck must be level side-to-side.
To obtain the best cutting re sults, the mower blades should
be adjusted so the front tip is 1/8" to 1/2" lower than the
rear tip when the mower is in its highest position.
CAUTION: Blades are sharp. Protect your
hands with gloves and/or wrap blade with
heavy cloth.
Raise mower to highest position.
Position any blade so the tip is pointing straight forward.
Measure distance (B) to the ground at front and rear
tip of the blade.
If front tip of blade is not 1/8" to 1/2" lower than the
rear tip, go to the front of tractor.
With an 11/16" or adjustable wrench, loosen jam nut
A several turns to clear adjustment nut B.
With a 3/4" or adjustable wrench, turn front link adjust-
ment nut (B) clockwise (ltighten) to raise the front of
mower, or, counterclockwise (loosen) to lower the front
mower.
FIG. 29
M
K
L
Q
S
P
R
R
Q
P
R
B
02950
Tighten adjust nut
B to raise mower
Loosen adjust nut
B to lower mower
Loosen jam nut A first
A