FRONT-TO-BACK ADJUSTMENT

IMPORTANT: Deck must be level side-to- side. If the following front-to-backadjustment is necessary, be sure to adjust both front links equally so mower will stay level side-to-side.

To obtain the best cutting results, the mower blades should be adjusted so the front tip is approximately 1/8" to 1/2" lower than the roar tip when the mower is in its

,_ghest position.

CAUTION: Blades are sharp. Protect your hands with gloves and/or wrap

blade with heavy

cloth.

Bottom Edge of

Bottom Edge of

Mower to Ground

Mower to Ground

\

/

Blade

"B""B"

BOTH FRONT LINKS MUST BE EQUAL

IN LENGTH

Nut

(_ Suspension

_

_--_\\

Li. Link

 

'

Adjustment

 

__

Nut

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 118"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.

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

Recheck side-to-side adjustment.

Front Plate Trunnion

Assembly

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.

8.Remove belt from idler pulleys.

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

10.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. 18.Reassemble R.H. mandrel cover.

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Craftsman 917.275021 Blade, Both Front Links Must be Equal Length, Nut Suspension Li. Link, To Replace Mower Drive Belt