How to Remove the Mainshaft Assembly

Special Instructions

Be careful when removing the mainshaft assembly, the sliding clutch on the end can slip off the mainshaft.

Reverse gear is also free and can fall off the shaft.

Special Tools

• Typical Service Tools • Large hook or 3 foot piece of rope

Procedure -

1. From the mainshaft, remove the reverse gear retaining snap ring.

2. Move the mainshaft reverse gear as far to the rear as possible and remove reverse gear I.D. snap ring.

3. Move the reverse gear forward and against the next gear, engaging the mainshaft sliding clutch spline.

WARNING: If not removing the upper reverse idler gear assembly, you must remove the upper reverse idler gear assembly shaft and roll the gear to the outside, see “How to Remove the Reverse Idler Gear Assembly”, steps 1-4.

4. Use a large screwdriver and block the upper countershaft assembly against the case wall.

WARNING: If removing the upper reverse idler gear assembly, see “How to Remove the Reverse Idler Gear Assembly” at this time.

5. Position the hook or rope around the mainshaft.

6. Pull the mainshaft to the rear to free the pilot from the input shaft pocket.

7. Tilt mainshaft front up and lift assembly from the case.