Snapper 1650 - Mower Drive Belt Replacement; Mower Belt Tension; Mower Belt Replacement

Fig. 60 — Belt Adjustment
1. Spindle Housing 4. Shear Pins
2. Spindle Housing Reteining Bolts 6. Blade Retaining Bolt
3. Mower Blade 6. Adapter
MOWER BELT TENSION —
FIGS. 58 AND 59
1. Remove belt covers and measure length of spring.
No. 4, Fig. 59. If measurement is not 4.38"adjustment
is necessary.
2. Tighten central mower spindle housing bolts.
3. Loosen outboard spindle housing nuts, No. 2,
Fig. 60, one turn only.
4. Loosen nuts. Nos. 1 and 2, Fig. 59, completely
which will allow springs. No. 4, to move spindles
outboard to tension belts.
5. Tap spindle housing. No. 1, Fig. 60, under mower
base with a hammer to overcome any friction at
mounting bolts.
6. Again check length of spring. If measurement
is less than 4.38" remove washer, No. 3, Fig. 59. If
measurement is more than 4.38" add washers between
spring and anchor bracket until spring length is correct.
7. Tighten nuts. Nos. 1 and 2, until there is 1/16"
clearance between nut. No. 2, and anchor bracket.
8. Tighten spindle housing bolts, No. 2, Fig. 60,
to 30-35 ft.-lbs. torque. Reinstall belt covers.
BELT REPLACEMENT - FIG. 61
1. Remove mower from Tractor.
2. Remove belt covers and back off nuts on out¬
board spindle housing mouting bolts one turn. Tighten
nuts on belt tensioning bolts to bring outboard spindles
inboard to slacken belts.
3. Remove top belt, then bottom belt. Install new
belts in reverse order.
4. Adjust tension of bottom belt first then top belt.
Replace covers.
REPLACING BLADES
To keep blade from turning while loosening bolt.
Fig. 58 — Hanger Strap Retainer Springs
1. Retainer Springs
2. Attaching Bolts
3. Belt Covers
bolt, No. 6, Fig. 49, clockwise to adjust belt tension.
When belt, No. 2, is properly tensioned, pulleys, Nos.
5 and 7, should be approximately same height from
ground.
MOWER DRIVE BELT REPLACEMENT
(42" & 48" MOWERS ONLY)
1. Remove mule drive cover by removing two
bolts, see Fig. 48.
2. Rotate adjusting bolt. No. 6, Fig. 49, counter¬
clockwise to relieve belt tension.
3. Push up on right-hand mule drive pulley. No. 5,
Fig. 49, and remove belt. No. 2, Fig. 49, from pulley.
4. Remove belt from left-hand mule drive pulley
and then mower pulley.
5. Remove mule drive by removing two hair pins,
No. 4, Fig. 49.
6. Install new belt, reinstall mule drive, adjust
belt tension and replace mule drive cover.
Fig. 59 — Belt Adjustment
1. Jam Nut 4. Spring
2. Adjusting Nut 6. Beit
3. Washer 6. Pulley
7. Beit Tensioning Bolt
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