Ariens Promaster 144Z Specifications download pdf (Page 18)

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5. Lubricate rubber gasket on new oil filter with clean

hydraulic oil.

6. Spin new oil filter onto filter housing until it makes

contact. Tighten oil filter another 1/2 turn.

7. Add new oil to the oil tank. It will take about 4 quarts.

Use Mobil 1 15W50 synthetic oil for best pump and

wheel motor life.

8. Properly dispose of waste oil.

MOWER BLADES

Remove

1. Turn the engine off. Remove the ignition key. Remove

the ignition wire from the spark plugs.

2. Block mower blades to prevent rotation.

3. Remove the bolts, washers, and blades from the

spindle shafts.

Replace

1. Replace the blades, washers and bolts on the spindle

shafts.

2. Tighten the bolts to a torque of 115-125 lbf-ft

(156-169 N•m).

3. Replace the ignition wire on the spark plugs.

Sharpen the Mower Blades

1. Remove mower blade from unit.

Discard mower blade if:

• More than 1/2 in. (1.27 cm) of metal is removed.

• Air lifts become eroded.

• Blade is bent or broken.

2. Sharpen mower blade by removing an equal amount of

material from each end of mower blade. DO NOT

change angle of cutting edge or round the corner of the

mower blade.

3. Check mower blade balance.

Slide mower blade on an unthreaded bolt. A balanced

blade should remain in a horizontal position. If either

end of mower blade moves downward, sharpen the

heavy end until blade is balanced.

4. Install mower blade(s) on unit.

5. Tighten the bolts to a torque of 115-125 lbf-ft

(156-169 N•m).

BATTERY

Unit comes equipped with a maintenance-free battery that

requires no regular maintenance except cleaning the

terminals.

CAUTION: Use sturdy gloves or padding to protect

hands when working with mower blades.

CAUTION: DO NOT sharpen mower blades while

on unit. An unbalanced mower blade will cause

excessive vibration and eventual damage to unit.

Check mower blade balance before reinstalling

blades.

NEVER weld or straighten bent blades.

Figure 7

992042, 044, 054,

064, 077, 079, 081,

083, 092, 094, 096

992051, 055, 080, 082,

095, 097, 310, 311

WARNING: AVOID INJURY. Read and understand

entire Safety section before proceeding.

WARNING: Battery posts, terminals and related

accessories contain lead and lead compounds,

chemicals known to the State of California to cause

cancer and reproductive harm. Wash hands after

handling.

1. Cutting Edge

2. Square Corner

3. Air Lift Erosion

4. Air Lift

OT0792

Figure 8

DO NOT Sharpen to This Pattern

Sharpen to This Pattern

DISCARD if More

Than 1/2 in. (1.27 cm)

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 31 32

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Ariens Promaster 144Z Specifications Page 18

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