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