SERVICE AND ADJUSTMENTS
NOTE: Each full turn of adjustment nut will change mower height about 3/16".
•Recheck measurements after adjusting.
IMPORTANT: DECK MUST BE LEVEL
To obtain the best cutting results, the mower housing should be adjusted so the front is approximately 1/8" to 1/2" lower than the rear when the mower is in its highest position.
Check adjustment on right side of tractor. Measure distance “F” directly in front of and behind the mandrel at bottom edge of mower housing as shown.
•Before making any necessary adjustments, 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 mower housing, loosen nut “G” on both front links an equal number of turns.
•When distance “F” is 1/8" to 1/2" lower at front than rear, tighten nut “H” against trunnion on both front links.
•To raise front of mower housing, loosen nut “H” from trunnion on both front links. Tighten nut “G” on both front links an equal number of turns.
•When distance “F” is 1/8" to 1/2" lower at front than rear, tighten nut “H” against trunnion on both front links.
NOTE: Each full turn of nut “G” will change dim. “F” by approximately 3/8".
•Recheck
“F” | GROUND LINE | “F” |
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FIG. 22
BOTH FRONT LINKS SHOULD BE EQUAL IN LENGTH
NUT “G”
NUT “H”
TRUNNION
FRONT LINKS
TO REPLACE MOWER DRIVE BELT
MOWER DRIVE BELT REMOVAL (See Fig. 24) -
•Park tractor on a level surface. Engage parking brake.
•Remove screws from L.H. mandrel cover and remove cover.
•Roll belt over the top of L.H. mandrel pulley.
•Remove belt from electric clutch pulley.
•Remove belt from idler pulleys.
•Remove any dirt or grass clippings which may have accumulated around mandrels and entire upper deck surface.
•Check primary idler arm and two idlers to see that they rotate freely.
•Be sure spring is securely hooked to primary idler arm and bolt in mower housing.
MOWER DRIVE BELT INSTALLATION (See Fig. 24) -
•Install belt in both idlers. Make sure belt is in both belt keepers at the idlers as shown.
•Install new belt onto electric clutch pulley.
•Roll belt into upper groove of L.H. mandrel pulley.
•Carefully check belt routing making sure belt is in the grooves correctly and inside belt keepers.
•Reassemble L.H. mandrel cover.
L.H. | SCREWS |
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| ELECTRIC | |
IDLER | SPRING | CLUTCH | |||
MANDREL |
| PULLEY | |||
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COVER |
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| PULLEYS |
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| PRIMARY |
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| IDLER ARM |
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| BOLT IN |
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| MOWER |
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| HOUS- |
L.H. |
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| ING |
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MANDREL |
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| MOWER |
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| DRIVE | BELT |
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| BELT |
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| KEEPERS |
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FIG. 24
FIG. 23 | 21 |