Husqvarna 7021RC - Manual (Page 14)

14
FIG. 22
HIGH
MED.
LOW
HANDLE
BRACKET
HANDLE PIN
SQUEEZE
TO REPLACE DRIVE BELT
1. Place new drive belt in the belt retainer of the debris
shield. Be sure to route belt between belt keepers and
through slot as shown (See Fig. 21).
SERVICE AND ADJUSTMENTS
ENGINE
Maintenance, re pair, or re place ment of the emission con-
trol de vic es and sys tems, which are be ing done at the
cus tom ers expense, may be performed by any non-road
engine repair es tab lish ment or individual. Warranty repairs
must be performed by an authorized engine man u fac tur er's
service outlet.
ENGINE SPEED
Your engine speed has been factory set. Do not attempt to
increase engine speed or it may result in personal injury. If
you believe that the engine is running too fast or too slow,
take your lawn mower to an authorized service center for
repair and adjustment.
CARBURETOR
Your carburetor is not adjustable. If your engine does not
operate properly due to suspected carburetor problems,
take your lawn mower to an authorized service center for
repair and/or adjustment.
IMPORTANT: NEVER TAMPER WITH THE ENGINE GOVERNOR,
WHICH IS FACTORY SET FOR PROPER ENGINE SPEED.
OVER SPEED ING THE ENGINE ABOVE THE FACTORY HIGH
SPEED SETTING CAN BE DANGEROUS. IF YOU THINK THE
ENGINE-GOVERNED HIGH SPEED NEEDS ADJUSTING,
CONTACT YOUR NEAREST AUTHORIZED SER VICE CEN TER,
WHICH HAS PROPER EQUIP MENT AND EXPERIENCE TO
MAKE ANY NEC ES SARY ADJUSTMENTS.
TO ADJUST HANDLE (See Fig. 22)
The handle on your lawn mower has three (3) height posi-
tions - adjust to height that suits you.
• Squeeze the bottom ends of lower handle towards each
other until the pin in handle can be inserted into one
of the three height adjustment holes.
DEBRIS
SHIELD
BELT RETAINER
BELT
KEEPERS
DRIVE
BELT
SLOT
TAB
FIG. 21
2. Route the other end of the new drive belt through hole
in housing.
3. Reattach debris shield to housing with screw previ-
ously removed. Be sure tab of debris shield is in gap
of housing.
4. Position blade on the blade adapter aligning the two
(2) holes in the blade with the raised lugs on the
adapter.
5. Be sure the trailing edge of blade (opposite sharp edge)
is up toward the engine as shown (See Fig. 20).
6. Install the blade bolt with the lock washer and hardened
washer into blade adapter and crankshaft.
7. Use block of wood between blade and lawn mower hous-
ing and tighten the blade bolt, turning clockwise.
• The recommended tightening torque is 35-40 ft. lbs.
IMPORTANT: Blade bolt is heat treated. If bolt needs
replacing, replace only with approved bolt shown in the
Repair Parts section of this manual.
8. Return mower to upright position.
9. Install new drive belt into idler arm assembly, then
around the drive pulley. Be sure belt is inside of belt
keepers (See Fig. 19).
NOTE: Pulling on the drive belt (to install it on the drive
pulley) will cause the other end of the belt to free itself from
the debris shield retainer and come into contact with the
pulley end of the blade adapter.
10. Reattach drive cable and return spring to the idler arm
assembly, then reattach drive cable to anchor.
11. Reattach drive cover with screws previously removed
(See Fig. 18).
12. Connect spark plug wire to spark plug.