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Service and adjustments, Engine – McCulloch 96083000400 User Manual

Page 14

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14

SERVICE AND ADJUSTMENTS

Fig. 19

Fig. 21

FORWARD TINE

CONTROL IN “OFF”

(UP) POSITION

BODY

TINE CONTROL

“ON” POSITION

ENGINE

TO AD JUST CARBURETOR

The carburetor has been preset at the factory and ad just ment

should not be necessary. However, engine per for mance

can be affected by dif fer enc es in fuel, tem per a ture, al ti tude

or load. If the carburetor does need ad just ment, contact

your nearest authorized service center/de part ment

IMPORTANT: NEVER TAMPER WITH THE ENGINE GOVERNOR,

WHICH IS FACTORY SET FOR PROPER ENGINE SPEED.

OVER SPEED ING THE ENGINE ABOVE THE FACTORY HIGH

SPEED SETTING CAN BE DANGEROUS. IF YOU THINK THE

ENGINE-GOVERNED HIGH SPEED NEEDS ADJUSTING,

CONTACT YOUR NEAREST AUTHORIZED SERVICE CENTER/

DEPARTMENT, WHICH HAS THE PROPER EQUIP MENT AND

EXPERIENCE TO MAKE ANY NEC ES SARY ADJUSTMENTS.

Fig. 20

SCREW

BELT GUARD

SCREW

SCREW

BELT GUIDE

BELT GUIDE

ENGINE PULLEY

IDLER PULLEY

V-BELT

TRANSMISSION

PULLEY

TINE CONTROL CABLE

CABLE CLIP

TO REMOVE BELT GUARD (See Fig. 19)

• Remove screws from side of belt guard.

• Pull belt guard out and away from unit.

Replace belt guard by re vers ing above procedure. Be

sure slot in bot tom of belt guard is under head of tine

shield bolt and all nuts are tight ened se cure ly.

TO REPLACE V-BELT (See Fig. 21)

Replace V-belt if it has stretched con sid er ably or if it has cracks

or frayed edges.

• Belt guard must be removed to ser vice belt. See “TO

REMOVE BELT GUARD” in this section of manual.

LT REMOVAL

• Remove V-belt from trans mis sion pul ley first and then

from engine pul ley.

BELT REPLACEMENT

Install new V-belt to engine pul ley first then to trans mis-

sion pulley. Be sure belt is po si tioned on inside groove

of both pulleys, inside all belt guides and rests on idler

pulley.CHECK TINE OPERATION

• See “TINE OPERATION CHECK” in this section of

man u al.

• Replace belt guard.

FINAL CHECK “ON” POSITION

With tine control “ON” (held down to handle) push down

on handle to raise tines off the ground.

• Slowly pull recoil starter handle while observing tines.

Tines should rotate forward.

• If tines do not rotate, inner wire of control cable is too

loose. Loosen cable clip and pull cable up to remove

slack and retighten clip.

• Recheck in “ON” position and adjust if necessary.

NOTE: If “ON” position check required adjustment, re check

“OFF” position adjustment to insure tines do not rotate when

control is “OFF” (up).

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