Ariens 992808-ProZoom 3166S Specifications download pdf (Page 24)

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5. Set both of the outside blades to be perpendicular to

the mower as shown in figure 18.

6. Measure the height of the blade tips on both 1 and 2

and adjust the front adjustment bolts (see figure 17,

item 14) and the rear U-bolts to ensure the deck is

level from left to right.

7. Rotate the mower blades 90° so they are parallel to the

mower deck. Use the rear adjustment bolts to adjust

the deck so that the rear blade tip is 1/8” higher than

the front blade tip on the same blade.

Measure the blade heights to make sure they match what is

shown on the height of cut dial. The height is measured as

the distance between the ground and the bottom of the

blade. If the blade height does not match the dial height, see

Synchronizing Height Of Cut (Figure 20) below.

Synchronizing Height Of Cut (Figure 20)

NOTE: Make sure the deck is level before synchronizing the

height of cut dial with the deck blade height.

1. Raise the mower deck to the transport position. Take

the weight off of the deck lift linkage by inserting wood

blocks under each corner of the deck and slowly

lowering it until it is resting on the blocks.

2. Loosen the 1/2-13" hex nut (1). If the blade height is

lower than the height of cut knob, loosen the 1/2-13 x

1.75" (2) bolt which runs through the height of cut

rotation adjustment weldment (3). If the blade height is

higher than the height of cut knob, tighten the 1/2-13 x

1.75" bolt which runs through the height of cut rotation

adjustment weldment.

3. Tighten the 1/2-13" hex nut back down to lock it into

position.

4. Raise the deck back to the transport height and

remove the blocks from below the deck. Measure the

blade height again to ensure it now matches the height

on the dial. If not, repeat until the two heights are

synchronized.

DRIVE ADJUSTMENTS

Steering and motion controls should be uniform during

forward and reverse motions. The steering control levers

should always return to neutral when released from the

reverse position.

AIR CLEANER SERVICE (FIGURE 21)

IMPORTANT: To prevent excessive engine wear, do not run

the engine without the air cleaner installed.

IMPORTANT: The engine is air cooled and requires a large

amount of air intake when running. Reduced air intake can

cause overheating. Always keep air intake screen and

cooling fins clean. Always keep the covers and screens in

place.

CAUTION: Stop the engine, put the steering

control levers in the park position and remove

the key from the ignition before performing any

maintenance or repairs on this unit.

Figure 18

OE3302

Figure 19

OE3306

CAUTION: Stop the engine, put the steering

control levers in the park position and remove

the key from the ignition before performing any

maintenance or repairs on this unit.

CAUTION: Touching hot surfaces can burn

skin. The engine and components will be hot

after the unit has been running. Allow the

engine and components to cool before

servicing the unit.

Figure 20

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Ariens 992808-ProZoom 3166S Specifications Page 24

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