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Model: HM

MANUFACTURED BY:
IEL (Industrial Engineering Ltd.)
VANCOUVER, BRITISH COLUMBIA, CANADA
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1955
YEAR DISCONTINUED:
1956
ENGINE DISPLACEMENT:
5.22 cu. in. (85.7 ccm)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
2.0625 in. (52 mm)
PISTON STROKE:
1.5625 in. (40 mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with cast iron sleeve
INTAKE METHOD:
Reed valve
MANUFACTURER ADVERTISED H.P.:
5
WEIGHT:
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal, 3 shoes with bonded lining
DRIVE TYPE:
Direct
CONSTRUCTION:
Sand cast aluminum
MAGNETO TYPE:
Wico FWS series
CARBURETOR:
Tillotson HP-13A, later HP-13B
MAJOR REPAIR KIT:
n/a
MINOR REPAIR KIT:
n/a
AIR FILTER SYSTEM:
Brass screen
STARTER TYPE:
Armstrong "Bulldog" automatic rewind which became Fairbanks Morse
OIL PUMP:
Manual pump
MAXIMUM ENGINE RPM:
4200
IDLE RPM:
IGNITION TIMING:
27 degrees B.T.D.C.
BREAKER POINT SETTING:
.020 in. (0.51 mm)
FLYWHEEL/COIL AIR GAP:
fixed, not adjustable
SPARK PLUG TYPE:
Champion J8J
SPARK PLUG GAP:
.025 in. (0.63 mm)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
FUEL OIL RATIO:
1 quart oil to 3 gallons fuel imperial measure (12:1)
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
SAE 40
CHAIN PITCH:
.4
CHAIN TYPE:
IEL C3J or C3G
BAR MOUNT PATTERN:
01 link
SHORTEST GUIDE BAR SUPPLIED:
16 in. (40cm)
LONGEST GUIDE BAR SUPPLIED:
32 in. (81cm)
COLOUR SCHEME:
Yellow enamel
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
Introduced the all position Tillotson diaphragm type carburetor to the direct drive chain saw. photographed by M. Acres.


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