Transmission Poly-V Belt Replacement - Snapper CP215517HV Safety Instructions & Operator's Manual

21â€ steel deck walk mowers commercial model series 17

Hide thumbs

Table Of Contents

Table of Contents

Section 4 - REPAIR & ADJUSTMENTS

WARNING

DO NOT attempt any maintenance, adjustments or

service with engine and blade running. STOP

engine and blade. Disconnect spark plug wire and

secure

away

from

components are HOT. Avoid serious burns, allow

sufficient time for all components to cool.

4.4.1. Engine Drive Belt Replacement

(Stretch Type Belts)

(Continued From Previous Page)

IMPORTANT: Drain fuel tank before tipping machine.

DO NOT tip machine with carburetor or spark plug down.

Oil from crankcase will saturate the air filter and cause

the engine to be hard to start or not start at all. If

contamination does occur, the air filter will have to be

replaced.

3. Remove the driven disc.

"Replacing Rubber Driven Disc Ring" for driven

disc assembly removal procedure.

4. Tilt mower up on its rear wheels and remove

blade and blade hub. Assistance from another

person may be necessary to hold mower in the

tilted position.

5. Hold the slotted end of the drive disc bolt with a

screwdriver and remove the nut and internal tooth

lock washer. See Figure 4.16.

6. Remove the belt cover located under deck.

7. Lift the drive disc up and remove worn belt.

8. Loop one end of new belt over engine pulley and

insert the other end through slot in deck. See

Figure 4.15.

9. Loop the belt around the pulley on the bottom of

the drive disc.

10. Reinstall drive disc and retaining hardware.

IMPORTANT: 1) The square shoulder of the drive

disc bolt must fit into the square hole of the

bushing. 2) The square end of bushing must fit into

the bracket slot.

11. Reinstall belt cover and tighten bolts securely.

12. Reinstall

blade

Recommended torque for blade cap screw is

to 40 ft. lbs.

spark

plug.

Engine

Refer to Section

hub

and

cutter

and

SLOT IN END

OF DRIVE DISC

BOLT

DECK BRACKET

(PARTIALLY SHOWN)

4.4.2.

1. Remove the driven disc. Refer to Section

Replacing Driven Disc Rubber Ring" for procedure.

2. Note the routing of the old belt around the three

pulleys before removing it. See Figure 4.17.

DRIVE

PULLEY

HEX SHAFT

BELT GUIDE

blade.

3. Place new Poly-V Belt over end of hex shaft

and onto driven pulley.

4. Work belt onto top of idler pulley.

5. Twist belt sideways and pull it upward between

the differential bracket and drive pulley and then

down into the pulley groove. Make sure the Poly-V

Belt is above belt guide. See Figure 4.17.

PULLEY POSITION

FIGURE 4.16