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PROBLEM
PROBABLE CAUSE
Engine will
1. Fuel tank empty or low.
not start
2. Spark plug wire loose or off.
3. Engine/brake control cable
Self-propelled
1. Traction drive bail not engaged.
drive does not
2. Drive belt out of position.
engage.
3. Drive belt worn or damaged.
4. Rear wheels in different cutting
5. Friction wheel engagement not
6. Idler and idler spring installed
7. Traction drive cable detached or
8. Bearings damaged.
9. Debris in gear set.
SPECIFICATIONS
Model Number
Description
Length - in (cm)
Height - in (cm)
Width - in (cm)
Actual Weight - lbs (kg)
Cutting Width
Cutting Height - in. (cm)
Engine, 4 cycle
Engine Power Max - HP (kw)
Max Rotation Speed
-1
of Cutting Edge - RPM (min
Governed RPM
Displacement Cu. In. (cc)
Cylinder Bore
Engine Oil Type
Crank Case Capacity - Oz. (Liter)
Oil System
Spark Plug Gap - in (mm)
TROUBLESHOOTING
detached, broken, or not adjusted
properly.
height positions.
adjusted properly or damaged.
incorrectly.
broken.
907254
LM21SW
61.5 (156)
38 (96,5)
23 (58,4)
105 (47,6)
21 (53,3)
6 Positions: 1.00 - 3.25
(2,5 - 8,3)
Briggs & Stratton Intek OHV
4.37 (3,26)
3100
)
3000 +/- 100
11.57 (190)
Aluminum
SAE 30
22 (0,65)
Splash
0.030 (0,76)
CORRECTION
1. Check fuel level. Fill tank if necessary.
2. Check connection.
3. Check engine/brake control cable. Adjust,
repair or replace as necessary.
1. Engage traction drive bail.
2. Check drive belt. Adjust as necessary.
3. Replace belt.
4. Adjust rear wheel cutting position so that
cutting height is the same on both sides.
5. Adjust or replace friction wheel.
6. Check idler and spring. Adjust as
necessary.
7. Check drive cable. Adjust, repair or replace
as required.
8. Replace bearings.Contact your Dealer.
9. Remove debris. Contact your Dealer.
SPECIFICATIONS
Fuel Type
Fuel Tank Capacity - qt (Liter)
Primer Bulb
Air Cleaner
Starting
Differential
Variable Speeds - MPH (km/hr)
Mower Deck
Adjustable Handlebar
Front Wheel Dia - in (cm)
Rear Wheel Dia - in (cm)
21
Unleaded
1.6 (1,5)
Standard
Paper Element
Recoil
Standard
0-4 (0-6,4)
14 Gauge - Stamped Steel
Four Position
7.5 (19,1)
10.5 (26,7)
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