MTD 675, 689 User Manual

$1.00

OWNHrSGUW

• ASSEMBLY

OPERATION • MAINTENANCE •

Made ^ in

AMERICA

WARNING: This	unit is	equipped with an	internai	combustion	engine	and should not be used
on or near any unimproved forest-covered,			brush-covered or		grass-covered		land unless				the
engine's exhaust	system	is equipped with a spark arrester meeting				applicable		local	or		state
laws (if any). If a spark		arrester is used, it	should	be maintained in		effective	working		order by
the operator.
In the State of California		the above is required by		law (Section 4442 of the				California		Public
Resources Code).	Other	states may have similar laws. Federal laws				apply	on federal			lands.
A spark arrester for the		muffler is available through your nearest				engine	authorized			service
dealer or contact the service department, P.O. Box 368022, Cleveland, Ohio 44136-9722.

FORM NO. 770-8584J

IMPORTANT

RULES FOR SAFE OPERATION

THIS	SYMBOL		POINTS		OUT IMPORTANT SATETY INSTRUCTIONS	WHICH,	IF NOT	FOLLOWED,	COULD	ENDANGER
THE	PERSONAL		SAFETY		AND/OR PROPERTY DF YOURSELF AND	OTHERS.	READ	AND FOLLOW	ALL INSTRUCTIONS
IN THIS MANUAL				BEFORE ATTEMPTING TO OPERATE YOUR POWER VACUUM. FAILURE TO COMPLY						WITH THESE
A INSTRUCTIONS MAY RESULT IN PERSONAL INJURY. WHEN YOU SEE THIS SYMBOL— ^ HEED ITS WARNING.
A		DANGER:		Your power vacuum was built to be operated according to the rules for safe operation in this manuai.
				As with any type of powi.>r equipment, careiessness or error on the part of the operator can resuit in
				serious injury. If you viol: ite any of these rules, you may cause serious injury to yourseif or others.

Read this operating and service instruction manuei carefully. Be thoroughly familiar with the controls and proper use of the power vacuum.

Never allow children to operate this power vacuum.

Keep the area of operation clear of all persons, [ articulariy small children and pets.

Check fuel before starting engine. Do not fill fuel tank indoors, when engine is running, or while engine is hot. W pe off any spilled fuel before starting engine.

Do not change engine governor settings.

Do not put hands near rotating parts for any reason.

If the power vacuum should start to vibrate abnormally, stop the engine and check immediately for the cause. Vibration is generally a warning of trouble.

Before cleaning, repairing or inspecting, make certa n all mov­ ing parts have come to a complete stop. Disconnect spark plug wire and keep wire away from plug to prevent accid mtal start­ ing. Also keep throttle control lever in the stop positi )n.

If the power vacuum should become blocked with dr bris at any point, shut engine off and wait until the impeller comes to a complete stop before attempting to remove the obstruction. Disconnect spark plug wire to prevent accidental stai ting.

10.Check all bolts for tightness at frequent periods.

11.Never store this power vacuum with fuel in the tank. Allow engine to cool before storing in any enclosure.

12.Keep bag and equipment free of debris when not in use.

13.Never operate this power vacuum unless air duct and vacuum bag are properly affixed in their place. Large zippered end of bag must be closed when operating to prevent objects from being blown out.

14.Never empty vacuum bag when engine is running.

15.Never change inlet nozzle or auxiliary hose attachment when engine is running.

16.The manufacturer recommends that the operator wear safety glasses or some other suitable eye protection when operating this machine.

17.Check the vacuum bag frequently for wear and replace when necessary.

18.Never operate as a leaf blower unless impeller guard and guard assembly are properly affixed in their place.

19.Exercise caution whenever operating as a leaf blower. Do not

allow discharge to be pointed in the direction of persons.

20. No one should operate this unit while intoxicated or while tak­ ing medication that impairs the senses or reactions.

CONTENTS OF HARDWARE PACK

(Hardware pack may contain extra items which are not used on your unit. Quantities of parts and part

	numbers are shown in parentheses.)
ATTACHING THE NOZZLE AND	B ATTACHING THE		ATTACHING THE CLUTCH ROD
AIR DUCT ASSEMBLY		UPPER HANDLE	(Self-Propelled Units Only)
			Clutch Grip and Extension^____.			)
			Spring are Not Shown (
Hand Knobs		t
(Qty. 2)		Hex Bolts 1/4-20 X	Clevis Pin
(720-0170)		1-3/4" Long (Qty. 4)	(Qty. 1)
Cupped		(710-0136)	(711-0679)-
		He c Lock Nuts
Washers (Qty. 3)
■ (736-0242)		1A -20 Thread
		(Qty. 4)	Hairpin Clip
		(712-0107)
			(Qty. 1)
		INSTALLING THE BAG	(714-0145)
	m
		(E	Hex Lock	Hex Jam Nut
		Stu d Pins (Qty. 2)	Nut 1/4-20 Thread	1/4-20 Thread
			(Qty. 1)		(Qty. 1)
		(711-0737)	(712-0107)	(712-0298)
		Push-On		(Thinner Nut)
Flat		S peed Nuts
Washer (Qty. 1)'		(Qty. 2)
(736-0231)		(1539-019)

0II I I I I I I II I I I	I I I II I I	FIGURE 1.

INCHES

ASSEMBLY INSTRUCTIONS

V IMPORTANT: This unit Is shipped WITHOUT GASOLINE or OIL. After assembly, service engine with gasoiine and oii as instructed in the separate engine manuai packed with your unit.

	Upper
Nozzie	Handie^
	Air
	Duct
	Assembiy
	Directionai
	Discharge
	Assembiy
	impeiier
	Guard
	Clutch
	____ _ Rod
	(Self-Propelled
	Models Only)

FiGURE 2.-Loose Parts in Carton

H

c—

FIGURE 3.—Optional Tow Bar Kit

Cupped

Washer^

Hand

Knob

Nozzle

FIGURE 4.

Upper

Handle

NOTE: Reference to right or left hand side of the vacuum is observed from behind the unit in the operating position.

UNPACKING

Remove	the	vacuum, loose		parts,	hardware		pack	and
literature	from	the	carton.	Make	certain	all	parts	and
literature	have	been	removed	before the		carton is		dis­
carded.

LOOSE PARTS IN CARTON

-{See Figure 2)

(1) Nozzle

(1) Upper Handle

(1) Air Duct Assembly

(1)Clutch Rod (Self-Propelled Models Only)

(1)Directional Discharge Assembly

(1)Impeller Guard

(1)Bag

TOW BAR KIT

Standard for push models, optional for self-pro­ pelled models.

-(See Figure 3)

A(2) Hex Bolts 5/16-18 x 1" Long

B(4) Shoulder Spacers

C (2) Hex Nut 5/16-18 Thread

D(1) Truss Machine Screw 1/4-20 x 3/4" Long

(1)

E	(1)	Lock Washer 1/4" I.D.
F	(1)	Hex Nut 1/4-20 Thread

G(1) Shoulder Bolt

(1)

H	(2)	Cupped Washers 3/8" I.D.
1	(1)	Hex Jam Lock Nut 3/8-16 Thread
	(2) Tow Bar Halves (Not Shown)

ATTACHING THE NOZZLE (Hardware A)

Place	nozzle in	position on front		of	housing	so that	it
rests	in flanges. Secure		with	one	hand	knob	and
cupped	washer	(cupped	side of	washer		against	the

-nozzle). See figure 4.

AHACHING THE UPPER HANDLE (Hardware B)

Place	the	upper	handle	in	position	over	lower	handle.
Fasten	with	four	hex	bolts	and	lock	nuts	provided.

-See figure 5. Two 7/16" wrenches are required.

FiGURE 5.

Hand	Cupped	Cup|)ed
Knob	.Washer	Was tier

Thumb

Screw

FIGURE 6.

11

ATTACHING THE AIR DUCT ASSEMBLY

(Hardware A)

Place	air duct		assembly		over	opening	on top		ot	hous­
ing. Secure front of air					duct assembly with one flat
washer,	cupped		washer		(cupped		side	of	washer
against	flat	washer)		and	a	hand knob.		Secure		back
(close	to	engine)		with	one	cupped	washer		(cupped
side against		air	duct assembly) and				thumb	screw.		See
-figure 6.

FIGURE 7.

Pin

Handle

INSTALLING THE BAG (Hardware C)

1. Place the stud pins in holes in upper handle (head of pins go to the inside of handle). Secure pins with push-on speed nuts by holding speed nut with box wrench and tapping pin with ham-

-------- mer. See figure 7.

2.

Assemble

the bag by

slipping

the

top

straps

on

bag

over

upper

handle.

Hook

two

small

straps

over

stud

pins

on

handle.

Slip

elastic

opening

of

bag

over

air

duct

assembly.

Be

certain

elastic

on

bag

is placed

over

the

flanges

on

air

duct

assem-

— bly. See figure 8.

FIGURE 8.