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DRIVE CONTROL ADJUSTMENT
Over time, the drive control system may
become “loose”, resulting in decreased
speed. There is a turnbuckle on the drive
control housing to increase tension on the
drive cable. Pro ceed as follows:
1. Turn unit off and disconnect spark plug
wire from spark plug.
2. Rotate turnbuckle on drive control to
increase drive speed.
3. Operate mower to test drive speed.
Readjust as required.
4. If condition fails to improve after the
above steps (forward speed remains
the same), your drive belt is worn and
should be re placed.
The operation of any
lawn mower can result
in foreign objects thrown
into the eyes, which can
result in severe eye dam-
age. Always wear safety glasses or eye
shields while operating your lawn mower
or performing any ad just ments or repairs.
We recommend a standard safety glasses
or wide vision safety mask worn over
spectacles.
HOW TO USE YOUR LAWN MOWER
ENGINE SPEED
Engine speed was set at the factory for
optimum performance. It is not adjustable.
ENGINE ZONE CONTROL
CAUTION: Federal regulations re quire
an engine control to be installed on this
lawn mower in order to minimize the
risk of blade contact injury. Do not un der
any circumstances attempt to de feat the
func tion of the operator con trol. The blade
turns when the engine is running.
• Your lawn mower is equipped with an
operator pres ence control bar which
requires the operator to be positioned
behind the lawn mower handle to start
and operate the lawn mower.
DRIVE CONTROL
• Self-propelling is controlled by hold-
ing the operator presence control bar
down to the handle and pulling the drive
control lever rearward to the handle.
The farther toward the handle the lever
is pulled, the faster the unit will travel.
• Forward motion will stop when either
the operator presence control bar or
drive control lever are released. To stop
forward motion without stop ping engine,
re lease the drive control lever only. Hold
op er a tor presence control bar down
against handle to con tin ue mowing
without self-propelling.
NOTE: If after releasing the drive control
the mower will not roll backwards, push
the mower forward slightly to disengage
drive wheels.
LEVER
BACKWARD
TO LOWER
MOWER
LEVER
FORWARD
TO RAISE
MOWER
Height
adjuster lever
Adjustment
turnbuckle
TO
ENGAGE
DRIVE
CONTROL
Drive control
lever
DRIVE
CONTROL
DISENGAGED
Operator presence control bar
TO ADJUST CUTTING HEIGHT
All four wheels are adjusted by a single
lever.
• Pull adjuster lever toward wheel. To
raise mower, move lever forward to
desired position. To lower mow er, move
the lever toward the rear.
41
HUSQVARNA ROTARY LAWN MOWER - - MODEL NUMBER 917.377230 (PRODUCT NUMBER 7021RD)
NOTE: All component dimensions given in U.S. inches. 1 inch = 25.4 mm.
IMPORTANT: Use only Original Equipment Manufacturer (O.E.M.) replacement parts. Failure to do so could be hazardous, damage your lawn mower and void your warranty.
KEY PART
NO. NO. DESCRIPTION
KEY PART
NO. NO. DESCRIPTION
1 407344 Drive Control Assembly
2 406260X460 Cover, Top
3 406262 Pulley
4 190039 Lever, Drive Control
5 406261X460 Cover, Bottom
6 181698 Screw
7 400235X479 Mounting Bracket
9 406258 Cable, Drive
11 406558 Spring, Return
13 419213 Gear Case Assembly
14 193443 Pulley, Drive
15 88348 Washer, Flat
16 407147 Rod, Connecting
17 409616 Spring, Extension
18 418835X004 Spring, Selector
19 189808X428 Knob, Selector Spring
20 12000022 E-Ring 7/8
21 404838 Bearing, Support
22 191039 Bearing, Ball
23 161118X004 Retainer, Drive Assembly
24 17060410 Screw, Tapping, Hex Head 1/4-20 x 3/4
25 199775X418 Cover Drive
26 750634 Screw, Threaded, Rolled #10-25 x .50
28 12000058 E-Ring 7/16
29 189403 Cover, Dust, Wheel
31 404845 Pawl
32 405746X460 Wheel & Tire Assembly, Rear 8 x 1-3/4
33 409148 Nut, Flangelock 3/8-16
34 851226 Washer
35 403102X004 Shaft Assembly, Rear
36 407175X004 Shaft Assembly, Front
37 161463 Retainer, Front Shaft
38 163409 Screw #12 x 5/8
39 407059 Bolt, Shoulder, Semi-Gimlett Point
40 401273X460 Wheel & Tire Assembly, Front 8 x 1-3/4
41 404835 Pinion
42 197480 O-Ring
44 406580 V-Belt
47 67725 Washer, Flat
49 163409 Screw, Hi-Lo Thread
50 404832X004 Belt Keeper