MTD 24677C User Manual
OWNER’S GUIDE
POWER
VACUUMS
1.00
Important:
Read Safety Rules and
Instructions Carefully
Model Numbers
246-675-000
246-685-000
245-689-000
24677C
24687C
Thank you for purchasing
an American-built product.
PRINTED IN U.S.A.
FORM NO. 770-5208A
INDEX
Safe Operation Practices.............................................. 3
Assembly Instructions .................................................. 4
Operation
Adjustments . : . .
Lubrication ........................................................... 10
...
.............................................................. 9
....
................... 9
Instri étions given with this symbol are
A
for personal safety. Be sure to follow
them
Maintenance
Off-Season Storage
Illustrated Parts
Replacement Parts List ........................................13, 15
.............................................................
..................................................
....................................................12, 14
K
1
^1^^ ^ WARNING I
This unit is equipped with an internal combustion engine and should not be used on or near any unimproved
forest-covered, bursh-covered or grass-covered lard unless the engine's exhaust system is equipped with a sparLarrester meeting applicable local or state laws (if any). If a spark arrester is used, it should be maintained in effect!
working order by the operator.
In the State of California the above is required >y law (Section 4442 of the California Public Resources Code).
Other states may have similar laws. Federal laws apply on federal lands. A spark arrester muffler is available at your
nearest engine authorized service center.
A
It is suggested that this manual be read in its entirety before attempting to assemble or operate. Keep this
manual in a safe place for future reference and for ordering replacement parts.
This unit is shipped WITHOUT GASOLINE or OIL. After assembly, see separate engine manual for proper
fuel and engine oil recommendations.
IMPORTANT
SAFE OPERATION PRACTICES FOR POWER VACUUMS
1. Read this operating and service instructing manual
carefuHy. Be thoroughly familiar with the controls
and proper use of the power vacuum.
2. Never allow children to operate this power
vaccum.
3. Keep the area of operation clear of all persons,
particularly small children and pets.
4. Check fuel before starting engine. Do not fill fuel
tank indoors, when engine is running, or while
engine is hot. Wipe off any spilled fuel before
starting engine.
Do not change engine governor settings.
6. Do not put hands near rotating parts for any
reason.
7. If the power vacuum should start to vibrate
abnormally, stop the engine and check immedi
ately for the cause. Vibration is generally a
warning of trouble.
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 attach
ment when engine is running.
16. The manufacturer recommends that the operator
wear safety glasses or some other suitable eye
protection when operating this machine.
8. Before cleaning, repairing or inspecting, make
certain all moving parts have come to a complete
stop. Disconnect spark plug wire and keep wire
away from plug to prevent accidental starting.
Also keep throttle control lever in the stop
position.
9. If the power vacuum should become blocked with
debris 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
starting.
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 taking medication that impairs the senses
reactions.
FIGURE 1
ASSEMBLY
INSTRUCTIONS
CONTENTS OF HARDWARE PACK
(See figure 1)
A (1) Clutch Grip Assembly*
B (1) Hair Pin Cotter*
C (1) Clevis Pin*
D (1) Extension Spring*
E (1) Lock Nut 1/4-20 Thread*
F (3) Hand Knobs
G (3) Belleville Washers
H (1) Heavy Flat Washer
I (4) Hex Bolts 1/4-20 x 1.75" Long
J (4) Hex Lock Nuts 1/4-20 Thread
K (2) Stud Pins
L (2) Push-on Speed Nuts
M (1) Hex Jam Nut 1/4-20 Thread*
LOOSE PARTS IN CARTON
(See figure 2)
Q
-----
FIGURE 2
W-
N (1) Nozzle
0 (1) Upper Handle
P (1) Air Duct Assembly
Q (1) Clutch Rod*
R (1) Directional Discharge Assembly
S (1) Impeller Guard
T (1) Bag
*Self-Propelled Models Only.
TOW BAR KIT- Standard with push models.
(See figure 3) Optional with self-propelled models.
U (2) Hex Bolts 5/16-18 X 1.00" Long
V (4) Shoulder Spacers
W (2) Hex Nut 5/16-18 Thread
X (1) Truss Machine Screw 1/4-20 X .75" Long
Y (1) Lock Washer 1/4" l.D.
Z (1) Hex Nut 1/4-20 Thread
AA (1) Shoulder Bolt
AB (2) Belleville Washers 3/8" l.D.
AC (1) Hex Jam Lock Nut 3/8-16 Thread
(2) Tow Bar Halves (Not Shown)
FIGURE 3
NOZZLE (N)
FIGURE 4
UPPER
HANDLE (O)
Place nozzle (N) in position on front of housing
so that it rests in flanges. Secure with one hand
knob (F) and belleville washer (G). See figure 4.
2. Place the upper handle (O) in position over lower
handle. Fasten with four hex bolts (I) and lock
nuts (J) provided. See figure 5. Two 7/16"
wrenches are required.
FIGURE 5
3. Place the stud pins (K) in holes in upper handle
(head of pins go to the inside of handle). Secure
pins with push-on speed nuts (L) by holding
speed nut with box wrench and tapping pin with
hammer. See figure 6.
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