Bolens 248-645A User Manual
FIFTY CENTS
r
HIJINU^L
Model No.
ASSEMBLY
OPERATION
MAINTENANCE
PARTS LIST
Important:
Read Safety Rules and
Instructions Carefully
248-645A
(St.
8 H.P. DELUXE
LOG SPLITTER
L
PRINTED IN U.S.A.
FORM NO. 770-7641
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LIMITED WARRANTY
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For one year from the date of original retail purchase, MTD PRODUCTS INC will either
repair of replace, at its option, free of charge, F.O.B. factory or authorized service firm,
any part or parts found to be defective in material or workmanship. Transportation charges
under this warranty must be paid by the purchaser unless return is requested by
MTD PRODUCTS INC.
This warranty will not apply to any part which has becomes inoperative due to misuse,
excessive use, accident, neglect, improper maintenance, alterations, or unless the unit
has been operated and maintained in accordance with the instructions furnished. This
warranty does not apply to the engine, motor, battery, battery charger or component parts
thereof. Please refer to the applicable manufacturer's warranty on these items.
This warranty will not apply where the unit has been used commercially.
Warranty service is available through your local authorized service dealer or distributor. If
you do not know the dealer or distributor in your area, please write to the Customer Service
Department of MTD.
This warrarlty gives you specific legal rights. You may also have other rights which vary
from state to state.
WARNING TO PURCHASERS
OF INTERNAL COMBUSTION ENGINE EQUIPPED
MACHINERY OR DEVICES IN THE STATE OF CALIFORNIA
The equipment which you have just purchased does not have a spark arrester. If this equipment is used on
any forest covered land, brush covered land, or grass covered unimproved land in the State of California,
before using on such land, the California law requires that a spark arrester be provided. In addition, spark
arrester is required by law to be in effective working order. The spark arrester must be attached to the
exhaust system and comply with Section 442 of the California Public Resources Code.
IMPORTANT
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 operating section of this manual
for proper fuel and amount.
Your log splitter is a precision piece of power equipment, not a plaything. Therefore exercise extreme
caution at all times.
SAFE OPERATION PRACTICES FOR LOG SPLITTERS
TRAINING
1. Know the controls and how to stop quickly-
READ THE OWNER'S MANUAL.
2. Do not allow children to operate. Do not allow
adults to operate it without proper instruction.
Only persons well acquainted with these rules of
safe operation should be allowed to use your log
splitter.
PREPARATION
1. Do not wear loose fitting clothing that could get
caught on the moving parts.
2. Do not operate equipment when barefoot or wearing open Sandies. Always wear substantial foot
wear.
3. Check the fuel before starting the engine. Do not
fill the gasoline tank indoors, when the engine is
running, or while the engine is still hot. Wipe off
any spilled gasoline before starting the engine.
4. Use only in daylight or in good artifical light.
5. Never operate the equipment in the rain. Always
be sure of your footing.
OPERATION
C. Open doors if engine is run in garage-
exhaust fumes are dangerous. Do not run
engine indoors.
6. Always operate the log splitter from the engine
side of the beam.
Stand behind the ram when operating. See drawings.
never!
7. Be careful not to touch the muffler after the
engine has been running, it is HOT.
1. Do not change the engine governor settings or
overspeed the engine. Excessive engine speeds are
dangerous.
2. Do not put hands or feet near rotating or moving
parts.
3. If the equipment should start to vibrate abnor
mally, stop the engine and check immediately for
the cause. Vibration is generally a warning of
trouble.
4. When cleaning, repairing or inspecting, make
certain all moving parts have stopped. Disconnect
the spark plug wire, and keep the wire away from
the plug to prevent accidental starting.
Handle gasoline with care-it is highly flammable.
A. Use approved gasoline container.
B. Never remove cap or add gasoline to a running
or hot engine or fill fuel tank indoors. Wipe
up spilled gasoline.
MAINTENANCE and STORAGE
1. Keep all nuts, bolts, screws, hose clamps and
hydraulic fittings tight to be sure equipment is
in safe working condition.
2. Never store the equipment with gasoline in the
tank inside of a building where fumes may reach
an open flame of spark. Allow the engine to cool
before storing in any enclosure.
3. To reduce fire hazard keep engine free of grass,
leaves, wood chips, excessive grease and oil.
4. Do not change the engine governor settings or
overspeed the engine. Excessive engine speeds
are dangerous.
5. Never store outside without a waterproof cover.
Rain will cause rust on the inside of the cylinder.
TOOLS REQUIRED:
(1) Raw Hide or Plastic Hammer
(1) 1-1/8" wrench or adjustable wrench
(2) 1/2" wrenches
(1) Standard screw driver
(1) 3/4" wrench
(1) 5/8" wrench
OTHER MATERIALS NEEDED:
B-
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I 1
li 11
■N
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-H
(A) One gallon or regular grade gasoline (for engine)
(B) 2-3/4 pints of SAE 30 or 10W oil (for engine)
(C) 2-1/2 gallons of 10W 30 H.D. oil only (for Log
Splitter).
(D) Cleaning rag
(E) Automotive grease
(F) Funnel
(G) Hydraulic sealant tape (for pipe threads)
LIST OF CONTENTS IN HARDWARE PACK:
See figure 1.
A. (2)
B.
C. (2)
D.
E.
F.
G. (2)
H.
Tapered roller bearings
Hub caps
(2)
Spacers
Hex castle nuts 3/4-16 thread
(2)
Cotter pins 5/32" Dia.x 1.00" long
(2)
Hose clamp
(1)
Hex self tapping screws #8 x .50" long
Hex screws 5/16-24 x 1.00" long
(4)
iM
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FIGURE 1
J
-
Your Log Splitter is shipped in two cartons.
1. Remove the engine (with frame), two wheels,
engagement rod, engagement handle, hose and
hardware pack. See figures 1 & 2.
2. Remove the beam assembly from the other carton.
HIGH 1
PRESSURE
HOSE
ENGAGEMENTROD
-p
-N
1. (4)
J.
(4)
K.
(1)
L.
(1)
M.
(1)
N.
(2)
0.
(1)
P.
(1)
Lockwashers 5/16" Scr.
Hex nut 5/16-24 thread
Shoulder bolt
Flat washer
Ferrule
Cotter pins
Hex lock nut 5/16-18 thread
Clevis pin 1/4" Dia. x 1.00" long
ENGAGEMENT-
HANDLE
4
FIGURE 2
ASSEMBLY INSTRUCTtONS
1. Pack the tapered roller bearings with automotive
' grease.
NOTE
Do Not put any grease in the hub caps.
2. Place one spacer (C) on axle, next one wheel, and
tapered roller bearing (A). See figure 3.
■' ' ■ '.4
WHEEL
FIGURE 4
4. Place hub cap (B) in position on wheel and tap on
with a plastic hammer. See figure 5.
TAPERED
ROLLER
BEARING (A)
FIGURES
Thread hex castle nut (D) on axle. Tighten castle
nut until snug, back off approsimately 1/3 turn
or until one of the slots on the castle nut lines up
with hole in axle. Secure castle nut to axle with
cotter pin (E). See figure 4.
FIGURES
5. Repeat steps 1 through 4 for the second wheel.
6. With help from another person, place beam
assembly on frame and line up four holes, secure
with four hex screws (H), lock washers (I) and
hex nuts (J). See figure 6. Two 1/2" wrenches or
socket is required.
I
HEX SCREW (A)
LOCKWASHER (I)
HEX NUT (J)
■
m
ur
BEAM ASSEMBLY
X
FIGURE 7
FIGURE 6
7. Secure the inlet hose to the pump with hose
clamp (F), provided in hardware pack. A standard
screwdriver is required. See figure 7.
8. Assemble the high pressure hose to the valve. A
1-1/8" wrench or adjustable wrench is required.
See figure 8.
NOTE
Use hydraulic sealant tape or pipe sealant
on threads.
ADJUSTABLE
WRENCH
HIGH PRESSURE
HOSE
FIGURE 8
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