Troy-Bilt E683G, E683F manual Trouble, Shooting Procedures, Linkage, Eccentric, Connecting Rod

Appendix A: Troubleshooting

		PROBLEM
CHECK OR TEST
	Engine	Engine shuts off when	Engine does not shut off
(Check or test in sequence shown	won’t start	Wheels/Tines/PTO Drive	when Forward Interlock
		Lever is shifted into	Levers are released while
until problem is resolved.)		FORWARD	Wheels/Tines/PTO Drive
			Lever is in FORWARD
Throttle Lever in START position	X
Wheels/Tines/PTO Drive Lever
in NEUTRAL position	X
Forward Interlock Wire Harness
connector securely mated		X	X
Forward Interlock Levers not being
squeezed prior to shifting Wheels/
Tines/PTO Drive Lever to		X
FORWARD position

Visually inspect for bare, broken
or disconnected wires	X	X
Check handlebar wire harness	X	X
Check transmission wire harness	X	X
Trouble-	•	B. Lever
shooting Procedures		shifts into
	Linkage	FAST wheel gear, but not into SLOW wheel
1 Wheels/Tines/PTO Drive Lever:		gear–
A. Lever does not stay in FORWARD–		• Connecting rod at end of lever might be
• Drive belt may be too tight. Raise belt		backwards, or bent in toward transmission
adjustment block a little (Sect. 5).		housing and hitting it. Other shifting linkage
• Clutch pawl spring at end of lever may be		might be bent. Straighten or replace linkage
		(Figure 5-43).
overstretched. Install new spring.
		• Clutch inside transmission may be binding
B. Lever hard to shift into REVERSE–
	Eccentric	(Problem 2-A).
• Check reverse disc for wear (Sect. 5).
		C. Lever moves freely, but won’t shift in or
• Check adjustment of reverse disc and/or
		out of gear–
reverse spring and plunger assy. (Sect. 5).	Connecting Rod
		• Eccentric shifting pin inside transmission
• Clean and re-lubricate motor mount bars,
		may be broken (rare) or worn. Disconnect
belt adjustment block and linkages on lever
	Figure 5-43: Check connecting rod,	linkage from eccentric lever and try moving
(Sect. 5).
	shifting linkage and eccentric lever.	eccentric lever by hand (Figure 5-43). If
C. Tiller stays in REVERSE when lever is
		lever moves easily, contact the Technical
released–
	Lubricate eccentric lever at rear of power	Service Department.
• Lubricate motor mount bars, belt adjust-
		3 Wheels and Tines Won’t Turn:
	unit transmission (Figure 5-43). If rust
ment block and linkages on lever (Sect. 5).
	is present, use penetrating oil and work	• Review operation of controls (Sect. 3 & 4).
• Check adjustment of reverse spring and
	eccentric lever back and forth by hand.	• Check condition and adjustment of drive
plunger (Sect. 5). If problem persists,
	• Lubricate linkage to Wheel Speed Lever to	belt and reverse disc (Sect. 5).
contact Technical Service Department.
	eccentric lever (Figure 5-43).	• Mounting bolt for transmission drive pulley
D. Lever sticks in FORWARD–
	• Clutch inside transmission may be binding.	may be loose. (See Figure 5-1). If so, drive
• Lubricate motor mount bars, belt adjust-
	Disconnect linkage from eccentric lever and	belt or reverse disc will turn pulley, but pulley
ment block, and linkages on lever (Sect. 5).
	work eccentric lever by hand. If difficult	won’t turn main drive shaft.
If problem continues, contact the Technical
	or impossible to move, it may be due to	• Worm gears that drive wheel and tiller
Service Department.
	a damaged keyway on the wheel shaft.	shafts may be worn.
E. Lever hard to shift into FORWARD–
	Contact Technical Service Department.	4 Wheels Turn, But Tines Won’t:
• Follow advice for Problem 1-D. Also check	• Lubricate washers and castle nut on pivot	• Tines/PTO Clutch Lever must be in ENGAGE
for possible bent motor mount bar that could	of lever. If necessary, remove roll pin and	position (Sect. 3).
be binding in engine mount holes.	back nut off 1/6th turn. Replace roll pin and	• Tines/PTO Clutch Lever may need adjust-
2 Wheel Speed Lever:	test the movement.	ment.
A. Lever hard to shift, or sticks in FAST or	• Apply grease to zerk fitting (if so equipped)	• Key for dog clutch on tine attachment main
SLOW wheel gear positions–	with grease gun until grease appears around	drive shaft may be missing, broken.
	washers.	• Worm gears that drive the tine shaft may
		be worn.
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