Ariens 991073-Max Zoom 48 Specifications download pdf (Page 19)

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HYDRAULIC FLUID

Check Hydraulic Fluid Level

Check the system with the unit cold and

parked on a flat, level surface.

Then run the unit for about one minute and

recheck the levels.

To Add Hydraulic Fluid:

1. Remove the cap from the expansion

tank.

2. Fill the expansion tank with 20W-50

engine oil with an SL API classification

until oil level reaches the cold fill line on

the tank.

3. Install the expansion tank cap and then

purge the system. See Purging the

Hydraulic System on page 20.

Change Hydraulic Fluid and Filter

NOTE: Change hydraulic fluid and filter after

the first 75 hours of operation and then every

400 hours. Use 20W-50 engine oil with an

SL API classification.

1. Place container under oil filter to catch

oil.

2. Remove the filter guard and oil filter from

the transaxle.

3. Remove the oil drain plug or fitting from

the inlet port and allow the transaxle to

drain completely.

4. Clean the filter mounting surface and

then lubricate rubber gasket on new oil

filter with clean hydraulic oil.

5. Spin new oil filter onto filter housing until

it makes contact. Tighten oil filter

another 3/4 turn.

6. Install the filter guards removed in

step 2. Tighten the mounting screws to

65 lbf-in (7.3 N•m).

7. Fill with 20W-50 engine oil with an SL

API classification until oil appears at the

bottom of the drain plug (about 2 quarts

per transaxle). Install the drain plug and

tighten it to 180 lbf-in (20.3 N•m).

WARNING: HYDRAULIC FLUID

can result in severe burns. Fluid

in hydraulic system can penetrate

skin and result in serious injury or

death.

Be sure to stop the engine before

doing any work on hydraulic

parts.

Keep body and hands away from

pin holes or nozzles which expel

hydraulic fluid when under

pressure. Use paper or

cardboard, not hands, to search

for leaks.

Ensure all hydraulic fluid

connections are tight and all

hydraulic hoses and lines are in

good condition before applying

pressure to system.

FOREIGN FLUID INJECTED

INTO BODY can result in

gangrene. Fluid must be

surgically removed within a few

hours by a doctor familiar with

this form of injury.

1. Service

Position

2. Steering

Levers

3. Parking

Brake

4. Battery

Figure 6

2

3

4

OF4110

1

2

Figure 7

The hydraulic fluid should be at the cold

fill line of the expansion tank.

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