Ariens 911086 - LM21 User Manual download pdf (Page 13)

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CHECK WHEEL DRIVE CONTROL

(self-propelled models)

The unit must stop quickly and completely

when the control is released. Adjust or repair if

necessary. See Service and Adjustments.

CHECK GRASS BAG

Check grass bag frequently for wear or

deterioration. Replace worn or damaged bag

with Ariens original equipment replacement

bag only.

CLEAN UNIT

Before each use clean unit, muffler and engine

surfaces of debris, oil or fuel spills to ensure

proper cooling and prevent fires.

CHECK ENGINE OIL

IMPORTANT: Proper oil level must be

maintained at all times or engine damage will

result.

Check the level of the engine crankcase oil

before each use.

Make sure engine is level when checking oil.

See engine manual for instructions.

CHECK MOWER BLADE

See Figure 7.

Check blade mounting: blade must be secure

and bolt torqued to 37.5 - 50 ft. lbs. (bolt

should fully compress lock washer).

Check blade for nicks and dull cutting edges.

Sharpen if necessary.

Check blade for rounded or broken ends,

thinned metal or other damage. Replace if

necessary.

NOTE: Blades should be sharpened and

balanced professionally. Contact your Ariens

Dealer.

To remove blade:

1. Block blade to prevent rotation.

2. Remove bolt, lock washer, flat washer

and blade from shaft.

To install blade:

1. Replace blade, flat washer, lock washer

and bolt on shaft.

2. Torque bolt to 37.5 - 50 ft. lbs. (bolt

should fully compress lock washer).

CHECK DRIVE BELT

Check drive belt and replace if worn or

damaged. See Service and Adjustments.

CHECK FASTENERS

Check all fasteners for proper tightness. Pay

special attention to blade hardware and all

guards, shields and safety devices.

CHECK AIR CLEANER

See engine manual for specific information.

CHANGE ENGINE OIL

IMPORTANT: Change engine crankcase oil

after first five (5) hours of operation. Then

change oil after every 25 hours of operation.

Refer to engine manual for instructions and

proper oil type.

IMPORTANT: Proper oil level must be

maintained at all times or engine damage will

result. DO NOT overfill. Be sure engine is level

when adding oil.

GENERAL LUBRICATION

Mower

Mower requires no lubrication.

CHECK SPARK PLUG

Spark plug should be replaced every 100

hours of operation or each year.

1. Cutting Edge

2. Square Corner

3. Air Lift

4. Air Lift Erosion

Figure 7

1

3

2

1

Replace

OM0235

OM0246

4

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