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WARNING: Do not re 

move the bat 

-

tery pack from the han dle panel for
any rea son other than re place ment.
When re 

plac 

ing the bat 

tery pack,

re fer  to  in struc tions  in  Main te nance
sec tion. 

NEU TRAL TEST FOR ALL MODELS: 

Be 

fore each use, check for proper drive

clutch  op er a tion  by  per form ing  the  fol low ing
be fore start ing the en gine: 

With the drive clutch con trol re leased, push
mower for ward. It should move freely. 

If it does not and the rear wheels tend to
lock up, the clutch may not be re 

leas 

ing

com pletely. Do not start the en gine un til cor -
rec tions have been made. Check the con trol
ca ble for se vere bend, kinks and bind ing, or
grass build-up in the pul ley groove. Re fer to
the "Ad 

just 

ment" sec 

tion for any ad 

di 

tional

in for ma tion.

TO START ENGINE AND EN GAGE BLADE

WARNING:  When start 

ing the unit

for the first time, place mower in
first speed (slow) po si tion. Face the 
mower against a solid ob 

ject such

as a wall, fence, etc. Start the unit,
and if it shows any signs of  mo tion 
with the drive clutch con 

trol dis en 

-

gaged, shut the en gine off im me di -
ately. Make cer tain the drive clutch
con trol is ad justed so the drive belt
is as loose as pos si ble. Re fer to the 
Ad just ment  Sec tion. 

At tach spark plug wire to spark plug.  If unit
is equipped with a rub ber boot over the end
of the spark plug wire, make cer 

tain the

metal loop on the end of the spark plug wire 
(in side the rub ber boot) is fas tened se curely
over the metal tip on the spark plug. See
Fig ure  8.

If your unit is equipped with a primer, prime
en gine as in structed in the sep a rate en gine
man ual packed with your unit.

If your unit is equipped with a two speed
con 

trol on the en 

gine re 

fer to the sep 

rate

en gine man ual packed with your unit.

Stand ing be hind the unit, de press the blade
con trol han dle and hold it against the up per
han dle as shown in Fig ure 9.

ELEC TRIC START MODELS ONLY: 

Turn the ig ni tion key to the right to start the
en gine. Re lease the key af ter en gine starts.
See Fig ure 4.

NOTE: The en 

gine on your unit is

pro 

vided with an aux 

il 

iary re 

coil

starter sys 

tem. To start the en 

gine

us ing the aux il iary start sys tem, pro -
ceed as fol 

lows for re 

coil start

mod els:

RE COIL START MODELS ONLY:

Grasp the re coil starter han dle as shown and
pull slowly un 

til re 

sis 

tance is felt, then pull

rap 

idly to start en 

gine and avoid kick 

back.

Re 

turn it slowly to the rope guide bolt. See

Fig ure  9.

To en gage the drive, squeeze the drive clutch 
con trol han dle (see Fig ure 9) to wards the up -
per han 

dle. Re 

lease the drive clutch con 

trol

to slow down when ne go ti at ing an ob sta cle,
mak ing a turn, or stop ping.

The six speed shift le 

ver is lo 

cated on the

drive clutch con 

trol hous 

ing on the up 

per

han dle. See Fig ure 9. This le ver is used to se -
lect the op er at ing speed of the mower.
Re lease the drive clutch con trol when chang -
ing speeds.

WARNING: THIS CON TROL MECH A -
NISM IS A SAFETY DE VICE. NEVER
AT 

TEMPT TO BY 

PASS ITS OP 

ER 

-

TIONS. 

The blade con trol han dle must be de pressed
in or 

der to op 

er 

ate the unit.  Re 

lease the

blade con trol han dle to stop the en gine and
blade. 

10

Fig ure 9-RE COIL START MODEL SHOWN

Recoil Start
Handle

Blade Control Handle

Drive

Clutch

Handle

Six Speed
Shift Lever

Fig ure  8

Metal
Loop
on Spark
Plug Wire

Rubber Boot

Summary of Contents for OG-4905

Page 1: ...Owner s Manual SET UP OPERATION MAINTENANCE IMPORTANT Read Safety Rules and Instructions Carefully PRINTED IN CANADA OG 4905...

Page 2: ...Please have your model number and serial number ready when you call NOTE Although both numbers are important you will be asked to enter only your serial number before your call can be processed For mo...

Page 3: ...used by slipping or tripping Do not hold on to the mower if you are falling release the handle immediately Never pull the mower back toward you while you are walking If you must back the mower away fr...

Page 4: ...art of this manual to measure slopes before operating this unit on a sloped or hilly area If the slope is greater than 15 degrees do not mow it DO Mow across the face of slopes never up and down Exerc...

Page 5: ...gine exhaust contains car bon monoxide an odorless and deadly gas Before cleaning repairing or inspecting make certain the blade and all moving parts have stopped Disconnect the spark plug wire and gr...

Page 6: ...a w a g n i t a r e p o f I y r u j n i s u o i r e s e s u a c d n a n r u t r e v o d l u o c r e w o m g n i d i r A y r u j n i s u o i r e s n i g n i t l u s e r p i l s d l u o c u o y d n a g...

Page 7: ...ing brackets Place the hairpin clips in the inner hole See Figure 2 Place one carriage bolt found in the hard ware pack included with your unit in the upper hole of the right handle mounting bracket f...

Page 8: ...changing your speed selection release the drive clutch control NOTE Only move the shift lever when the engine is running Changing the shift lever setting with the engine off can cause damage to the m...

Page 9: ...anual packed in your mower Read instructions carefully WARNING Never fill fuel tank in doors with engine running or until the engine has been allowed to cool for at least two minutes after running BEF...

Page 10: ...me engine as instructed in the separate engine manual packed with your unit If your unit is equipped with a two speed control on the engine refer to the separate engine manual packed with your unit St...

Page 11: ...you the best cut and do the most effective job of mulching WARNING If you strike a foreign object stop the engine Remove wire from spark plug thoroughly in spect the mower for any damage and repair th...

Page 12: ...may also be used to determine the position in which the drive clutch control is engaged If it is more comfortable to have the drive engaged with the lever further away from the handle tighten the driv...

Page 13: ...e instructions Maintain engine oil as instructed in the sepa rate engine manual packed with your unit Read and follow instructions carefully Under normal conditions service air cleaner as instructed i...

Page 14: ...rt over the blade with the tabs in the holes of the blade and insert the hex bolt Tighten the hex bolt to the torque listed below Blade Mounting Torque Center Bolt 450 in lb min 600 in lb max To insur...

Page 15: ...e lower pulley assembly and re move the old belt from around the crankshaft See Figure 25 15 Place the new belt over the transmission pulley Start the belt in pulley groove and rotate pulley until bel...

Page 16: ...se screws 25 Lightly lubricate the crankshaft and reinstall blade and blade adapter as described in the Cutting Blade section 26 Tip the mower back on its wheels 27 Make certain to retest the unit for...

Page 17: ...ower in a dry clean area STORAGE OF THE BATTERY The battery must be stored with a full charge A discharge battery will freeze IMPORTANT All batteries discharge during storage Recharge battery every tw...

Page 18: ...120 days from the date of purchase MTD PRODUCTS LIMITED will replace the defective battery for the original purchaser for a cost of one half 1 2 of the current retail price of the battery in effect a...

Page 19: ...not adjusted prop erly 1 Fill crankcase with proper oil 2 Remove blower housing and clean 3 Adjust carburetor Idles poorly 1 Spark plug fouled faulty or gap too wide 2 Carburetor improperly adjusted 3...

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