Instructions; Use; Driving The Machine; Transport (Blade Removed) - Husqvarna RS 7400 D Operator's Manual

mAnDAToRY
WARninG
These signs will give
advice for your safety
Before leaving our factory every machine is
thoroughly tested.
Follow our instructions strictly and your machine
will give you long service in normal operating
conditions.
1

USe

Use: Wet sawing of old and new concrete and asphalt or
dry sawing with dry cutting diamond blades.
Tools: Diamond blades — Water cooled, Ø: 12",
14", 18", 20" with Arbor Ø 1"
Depths of Cut (maximum):
Blade Size
12" 14" 18"
3-1/2 4-1/2 6-1/2 7-1/2
B efore starting up the machine, make sure
you read this entire manual and are familiar
with the operation of this machine.
T he working area must be completely clear,
well lit and all safety hazards removed.
A ny persons not involved in the work should
leave the area.
U se only blades marked with a maximum
operating speed greater than the blade shaft
speed.
inDiCATion
inFoRmATion
inSTRUCTion
PRoHiBiTion
20"
T he operator must wear
p r o t e c t i v e c l o t h i n g
appropriate to the work he
is doing.
2

DRiVinG THe mACHine

(See Fig. 1 and 2)
• Sit in the Operator's Seat (1A).
• Lift Emergency Stop Palm Button (1J).
• Lift raising frame, engine and sawblade by pushing
up the Toggle Switch (1L) on the operator 's
Speed Control Lever (1B) until the blade clears the
pavement surface.
• Ensure Speed Control Lever (1B) is in the "Neutral"
position; is free to move fore and aft and returns
to the center position of fore and aft movement. This
is "Neutral."
• Push Park Brake Toggle Switch (1C) down.
• Push Blade Clutch Toggle Switch (1D) (if equipped)
down.
• Set Water Safety Switch (1P) to "OFF."
• Turn Engine Key Switch (1R) to the "1"(RUN)
position. Press "START ENGINE" (1K) until engine
starts. Adjust Engine RPM (1K) to desired RPM,
the faster the RPM, the faster the machine will
travel.
•
• Release Park Brake Toggle lift up (1C).
• Push the Speed Control Lever (1B) slowly forward
to move saw Forward and backward to move saw in
Reverse. The further you push the lever, the faster
the machine. Steer the saw with Steering Wheel
(1F). Turning clockwise will turn the machine Right,
counterclockwise will turn Left.
3

TRAnSPoRT (BlADe RemoVeD)

(See Fig. 1, 2, and 3)
Turn engine off. Set Speed Control lever (1B)
to SToP position. Remove diamond blade
(2e) before transport. Set Parking Brake (1C)
on (UP).
When moving the saw up and down ramps, with the
engine on, use extreme caution.
• To go DoWn a ramp, drive the saw Reverse slowly.
• To go UP a ramp, drive the saw Forward slowly.
lifting The Saw. The saw can only be lifted by the factory
installed Lifting Bail. Raise saw blade shaft 10" above
pavement surface for best balance.
To Transport By Vehicle:
• Set Engine Key Switch (1R) in the "0" (oFF)
position.
• Set Speed Control Lever (1B) in the SToP position.
• Set Parking Brake (1C) to up position.
Block the saw in place and secure it into place
with chains or straps to prevent movement
during transport. .
35