Check adjustment on right side of tractor. Position any blade so the tip is pointing

straight forward. Measure distance "B" at front and rear tip of blade

Before making any necessary adjust- ments, check that both front links are equal in length.

If links are not equal in length, adjust one link to same length as other link.

To lower front of blade, loosen nut "C"

on both front links an equal number of turns.

NOTE; Each full turn of nut "C" will change dim. "B" by approximately 3/16".

When distance "B" is 1/8" to 1/2" lower

at front than rear, tighten nut "D" against trunnion on both front links.

To raise front of blade, loosen nut "D" from trunnion on both front links.

Tighten nut "C" on both front links an equal number of turns.

TO REPLACE MOWER DRIVE BELT

MOWER DRIVE BELT REMOVAL

1.Park tractor on a level surface. Engage parking brake.

2.Lower mower to its lowest position.

3.Remove screws from R.H. mandrel cover and remove cover.

4.Remove any dirt or grass clippings which may have accumulated around mandrels and entire upper deck surface.

5.Disconnect R.H. suspension arm from

rear deck bracket by removing retainer spring.

6.Carefully roll belt over the top of R.H. mandrel pulley.

7.Remove belt from electric clutch pulley.

R.H. Mandrel

Spring

R.H. Suspension

Arm

Primary Idler Arm

When distance "13"is 1/8" to 1/2" lower at front than roar, tighten nut "D" against trunnion on both front links.

Recheck side-to-side adjustment.

BOTH FRONT LINKS MUST BE EQUAL

IN LENGTH

Trunni_

Front Plate Assembly

8.Remove belt from idler pulleys.

9.Check primary idler arm and two idlers to see that they rotate freely.

lO.Be sure spring is securely hooked to primary idler arm and spring arm.

MOWER DRIVE BELT INSTALLATION 11.Install belt in both idlers.

12.Install new belt onto electric clutch

pulley.

13.Carefully roll belt into upper groove of R.H. mandrel pulley.

14.Carefully check belt routing making sure belt is in the grooves correctly.

15.Reconnect R.H. suspension arm to

rear deck bracket with retainer spring. 16.Reassemble R.H. mandrel cover.

Electric

Pulley

Idler

Pulleys

Mandrel

22

Page 22
Image 22
Craftsman 917.275013 owner manual To Replace Mower Drive Belt, Primary Idler Arm, Recheck side-to-side adjustment