Ariens Promaster 144Z Specifications download pdf (Page 22)

GB - 22

4. Turn the return nuts clockwise to decrease the

distance or counterclockwise to increase the distance

until there is 1/16 to 1/8 in. (1.59 to 3.18 mm) between

the return nuts and trunnion.

5. Tighten return nuts together.

BELTS

Belt Access

1. Properly stop and park unit (See OPERATION on

page 12).

2. Lower the mower deck.

3. Place seat in most rearward position.

4. Remove belt covers.

5. Place foot board in open position (Figure 15).

6. Secure raised footboard with latch.

Replacing Mower Belts

NOTE: Long PTO mower belt must be removed from blade

spindle pulleys prior to removing short mower drive belt.

1. Slowly release the tension on the PTO mower belt idler

until all the tension is removed from the springs.

2. Remove PTO mower belt from left blade spindle and

remove from deck.

3. Slowly release the tension on the mower drive belt

idler until all the tension is removed from the springs.

4. Remove mower drive belt from right blade spindle and

from deck. Idler pivot bolt must be loosened slightly to

gain clearance to remove belt from under idler pulley

(Figure 16).

5. Arrange new mower belt(s) on deck (mower drive belt

first). Retighten short mower belt idler pivot bolt. Install

belts on sheaves. Put belts onto center sheave last.

6. Replace belt covers and return foot board to closed

position.

Replacing the Hydro Pump Belt

1. Properly stop and park unit (See OPERATION on

page 12).

2. Remove the PTO mower belt from the PTO clutch

sheave (See Replacing Mower Belts on page 22).

3. Remove clutch anchor.

4. Slowly release the tension on the hydro pump belt idler

until all the tension is removed from the springs.

5. Remove old hydro pump belt from right hand hydrostat

sheave first (Figure 17).

6. Install new hydro pump belt by positioning belt on

sheaves. Put belt onto right hand hydrostat sheave

last.

7. Replace clutch anchor.

8. Replace PTO mower belt on PTO clutch sheave. See

Replacing Mower Belts on page 22.

WARNING: MOVING PARTS can cut or amputate

body parts. ALWAYS wait for moving parts to stop

before performing maintenance or service.

CAUTION: DAMAGED OR WORN BELTS may

result in injury and/or damage to unit. Check belts

for excessive wear or cracks often.

CAUTION: Use care when releasing idler spring

tension. Keep body parts well away from idlers

when performing this operation.

Figure 15

1. Footboard in

open position

2. Frame

3. Latch

OF3580

CAUTION: Use care when releasing idler spring

tension. Keep body parts well away from idlers

when performing this operation.

Figure 16

1. PTO Mower Belt

2. Mower Drive Belt

3. Springs

4. Mower Drive Belt Idler

5. PTO Belt Idler

6. PTO Clutch Sheave

7. Center Sheave

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Ariens Promaster 144Z Specifications Page 22

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