Ariens 936027 (Sierra 1640H Twin) Specifications download pdf (Page 19)

Lubrication and Maintenance (Continued)

The steering system, front axle and wheels,

brake/clutch shaft support and pivot points should be

lubricated every 50 hours of operation, or every 3

months, whichever occurs first.

Grease fittings are indicated below. Oil pivot points

on brake, clutch and mower deck linkage as needed.

Hydrostatic transaxles do not have grease fittings.

Rotary Mower Removal (Figure 11)

Place (2) supports approximately 1 1/2” high (the

thickness of a 2” x 4”) under the right hand and left

hand side of the mower deck.

Lower the mower deck onto the supports thus

relieving all the mower deck’s weight from the

tractor’s lift system.

Disconnect the mower rear hangers by pulling the

hair pins out of the tractor mount lugs.

Slide the mower deck forward just enough to remove

the front pin and front lift arms from the tractor front

hooks.

Remove the mower height adjusters from the tractor

lift lever hooks.

Remove the mower belt from the electric clutch.

Turn the front tires all the way to the left (opposite the

mower discharge side).

Remove the supports from underneath the mower

deck. Remove the mower deck by sliding it out

between the tractors right hand front and rear tires.

To install the rotary mower, install in reverse order.

Install the mower belt last.

Rotary Mower Belt Replacement

(Figure 12)

To replace the belt on the mower deck, first remove

mower drive belt per instructions and then disconnect

the idler spring from the spring mount post welded to

the mower deck.

Remove the sheave cover on the left hand sheave.

Remove the old belt from the mower deck and install

the new belt in the reverse order. Be sure that the belt

is seated in all pulley grooves.

1. Front Pin

2. Hair Pin

3. Front Lift Arm

4. Rear Hanger

5. Height Adjuster

6. Lift Lever Hook

Figure 11: Rotary Mower Removal

OT0750

1. Mower Belt 5. Sheave Cover

2. Drive Pulley 6. Mower Idler Spring

3. Idler 7. Main Idler Spring

4. Mower Drive Belt 8. Electric Clutch

48” Deck with 3 Spindles (Not Shown)

Figure 12: 40” & 48” Mower Belt Replacement

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Ariens 936027 (Sierra 1640H Twin) Specifications Page 19

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