Engine:
Type: Single cylinder 2-cycle, with loop scavenging
Displacement:
4.1 cu. In. (68.8 cc)
Bore:
1.97 in. (50 mm)
Stroke:
1.33 in. (34 mm)
Compression
Ratio: 10.5:1
Bearings:
Heavy-duty deep groove ball bearings on crank shaft, needle cages on connecting
rod and piston
Maximum
Engine Speed: 12,500 RPM
Electronic
Ignition System:
Make:
SEM
Spark
Plug Gap: 0.020 in (0.5 mm)
Momentary Contact Switch
Air Filtration
Type:
2 stage, oil tack barrier, externally mounted
Surface
Area: 154 sq. in.
Fuel
& Engine Lubrication:
Gasoline
Octane Rating: Approx. 85
Fuel
Mix Oil/Ratio: Cutters Edge Synthetic Oil/100;1;
High
Quality 2 cycle engine oil 50:1
Gasoline
Capacity: 24.7 fl oz. (0.73 l)
Carburetor
Isolation:
Type:
Air gap insulation, eliminates vapor lock
Guide Bar: 12, 16, 20
Body
Construction: Solid one piece, with milled grove, induction hardened rails
Types:
Heavy
Duty Sprocket Nose, w/9 steel rivets, six spot-welds Stellite Tipped Hardnose,
w/laser welded stellite at the tip.
Gauge:
.063
Pitch:
404
Dive System: Centrifugal Clutch
Type:
Rim & Drum System
Size:
404 pitch
Style:
Radially ported (To keep rim clear of tar & debris build-up, and to keep
chain in perfect alignment with the bar groove)
Saw Chain
Pitch:
404
Gauge:
.063
Chain
Speed: 102.5 feet per second (6150 ft/minute,
@ 70 mph)
Saw Chain Lubrication System
Type:
Automatic adjustable
Lubricant:
Cutters Edge bar & chain oil; high quality Bar & Chain Oil
Oil
Tank Capacity: 15.2 fl oz. (0.45 l)
Guard/Deflector
Controls
Air flow direction
Weight
Power
head only: 13.5 pounds (dry weight)
Gas
& Oil Tanks full: 18.75
pounds w/12 bar and chain
19
pounds w/16 bar and chain
19.5
pounds with 20 bar and chain
With
Guard/Depth gauge 22 pounds with
D-6
23
pounds with D-8
Silencing:
Muffler:
Large, side ported, low restriction
Noise
level: 104 dB(A) at maximum output
Handles:
Type:
Full wrap front handle with kickback guard (for ease of use with gloves, from
either side of the saw)
Anti-vibration:
Full isolation to front and back handles
Other
Safety Features:
Chain Break: Double Break Bank (breaking time: 0.20 seconds)
Safety Guard Pin for chain throttle safety
catch
Combined choke throttle lock
D-6 D-8 Guard/Depth Gauge
Covers all of the cutting chain. Allows operator to set depth
of cut.
D-6 16 bar Max
depth of cut 6
D-8 20 bar Max
depth of cut 8
DAILY SAW CHECKS
- Chain brake is operating
properly and is undamaged
- Check all the guards for damage
- Throttle lockout is operating
properly and undamaged
- Check anti-vibration components
- Check air filter
- Check muffler
- Check saw for loose/missing
parts
- Check chain for wear and
correct tension and that it is facing right direction
- Check gas and oil reservoirs
