20
MK-20 SERIES SET-UP
AdJUSTING dEPTH oF CUT GAUGE
BlAdE SPEEd ANd THRoTTlE SETTING
(A)
Turn Crank Wheel until Blade
touches the ground.
(B)
Turn the Depth Gauge Indicator
dial clockwise until it reads zero.
Operating saw blades at rotational speeds greater than those recommended
by the manufacturer can cause blade damage and possibly subsequent per-
sonal injury.
Never exceed 3600 rpm blade shaft speed.
* The MK-20 Series, it is possible to cause overspeeding of the blade at throttle
settings above those stipulated on the above chart;
do NoT EXCEEd THESE
ENGINE RPM SETTINGS!
WARNING
(
(
)
)
Since diamond blades cut best at specific rim-speeds, blades of different diameters
must be turned at different blade shaft rpm’s.
The MK-2013/14 will run either a 16” or 18” blade and the MK-2020/24/22 HSP will run
a 16” through 20” blade.
Safe, efficient, economical cutting performance will occur at the engine rpm (as read on
the tachometer) stipulated on the following chart.
The MK-20 Series engine shaft to blade shaft ratio is 1:895.
Blade diameter
set engine rpm to*
14”
full throttle (3500)
16”
3200-full throttle
18”
2850-3300
20”
2550-3000
Summary of Contents for MK-2013HE GX390
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Page 36: ...36 MK 20 Series EXPLODED VIEW FIGURE 1 PARTS LIST MK 2020HSP concrete saw P N 156498...
Page 42: ...42 MK 20 Series Exploded View FIGURE 2 PARTS LIST MK 2024HSP concrete saw P N 158777...
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