Ventrac 39.55144, Operator'S Manual

SERVICE

Service - 24

Checking the Gearbox Oil Level

1.  Park the mower deck on a level surface.

2.  Clean the top of the gearbox and remove the plug 

(A) from the top port.

3. 

A

Check the oil level in the gearbox. The oil level 

should be maintained at approximately half full. If 

the oil level is low, add 75W-140 synthetic gear oil 

until the proper level is reached.

4.  Reinstall the plug into the top port of the gearbox.

Changing the Gearbox Oil

1.  Park the mower deck on a level surface.

2.  Clean the top and the bottom of the gearbox.

3.  Remove the plug (A) from the top port of the gear-

box.

4. 

A

Place a drain pan underneath the gearbox.

5.  Remove the plug from the bottom port of the gear-

box and allow the gear oil to drain.

6.  Reinstall the plug into the bottom port of the gear-

box.

7.  Add 75W-140 synthetic gear oil until the proper 

level is reached.

8.  Reinstall the plug into the top port of the gearbox.

Storage

Preparing the Attachment for Storage

1.  Clean the attachment to remove accumulated clip-

pings, leaves, and dirt.

2.  Inspect for loose or missing hardware, damaged 

components, or signs of wear. Repair or replace 

any damaged or worn components.

3.  Inspect the drive belts and replace if damaged or 

worn.

4.  Inspect the cutting knives and replace if damaged 

or worn.

5.  Inspect the safety decals. Replace any decals that 

are faded, illegible, or missing.

6.  Apply grease to all grease points and wipe off any 

excess grease.

7.  Check the gearbox oil level.

8.  If the mower is equipped with a hydraulic flip up 

kit, inspect the hydraulic hoses and fittings for 

damage or wear. Connections must be tight and 

leak free. Replace damaged or worn components.

9.  Inspect the painted components for chips, scratch-

es, or rust. Clean and touch up the surfaces as 

needed.

Removing the Attachment from Storage

1.  Clean the attachment to remove any accumulated 

dust or debris.

2.  Inspect the attachment as instructed in the Daily 

Inspection section of this manual.

3.  Test the attachment to ensure that all the compo-

nents are working properly.