Ariens Promaster 144Z Specifications download pdf (Page 24)

Removing the Mower Deck

NOTE: Only remove PTO belt from electric clutch.

1. Remove PTO belt from electric clutch (see Replacing

Mower Belts on page 22).

2. Lower mower deck all the way down.

3. Remove link chains from mower lift arms (Figure 19).

4. Remove mower mounting arms from frame.

5. Slide mower deck out from under unit.

1. LinkChain 3.

2. Mower Mounting Arm

Figure 19

Installing the Mower Deck 0

1. Slide mower deck under unit.

Mower lift Arm

Install mower mounting arms on frame.

Install link chains on the mower lift arms.

Install PTO belt on electric clutch (see Replacing

Mower Belts on page 22).

Level mower deck (see Leveling the Mower Deck on

page 24).

Leveling the Mower Deck

These adjustments should be made on a level surface with

the tires inflated to the correct air pressure.

Check Blade Level and Pitch

1. Raise mower deck to a 3 in. (7.62 cm) cutting height.

2. Shut off engine. Engage parking brake. Remove the

ignition key.

NOTE: Place blocks under the bottom edge of the deck, not

under the reinforcement bar welded along deck face.

3. Place blocks at each corner of the deck to support the

weight of the deck.

4. Turn the blades so the blade ends point left to right

across the width of the deck.

5. Measure the distance between the ground and cutting

edge of the blade on the left blade (Left position in

Figure 20) and on the right blade (Right position in

Figure 20). Distances should be within 3/16 in.

(4.7 mm). Ifthey are not, raise the low side of the deck

using the height adjusters on the deck lift brackets (see

Figure 21).

6. After deck is level side to side, check the deck front to

back pitch.

7. Turn the blades so the blade ends point front to back

as shown in Figure 20.

8. Measure the distance between the ground and the

cutting edge of the middle blade at the front of the deck

(Front position in Figure 20) and between the ground

the cutting edge of the left and right blades at the rear

of the deck (Rear position in Figure 20).

9. The cutting edge at the front of the deck (Front position

in Figure 20) should be 1/8 in. (3.18 mm) lower than

the cutting edges at the rear of the deck (Rear position

in Figure 20).

10. If measurements are out of range, raise the low side of

the deck using the height adjusters on the deck lift

brackets (see Figure 21). Be sure to raise the deck

evenly to keep the deck level side to side.

NOTE: Pitching the front of the blades lower than the rear

provides a balance between cut quality and the power

needed to cut grass. Certain cutting conditions require the

deck to be pitched with the rear of the blades lower than the

front. Heeling the deck this way requires more engine power

but can provide better cut quality.

11. Remove the blocks from under the deck.

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Ariens Promaster 144Z Specifications Page 24

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