Husqvarna FS4800D Sander User Manual


 
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Serious injury can occur to the operator or
people in the work area if the rotational speed
(n/min) of the DIAMOND BLADE (2E) exceeds
the maximum speed (n/min) marked on the
DIAMOND BLADE (2E).
1H. ENGINE START SWITCH: Start and stop the
engine using this switch. Also preheats engine
when pressed inward.
1I. VOLTAGE GAUGE: Shows the voltage of the
electrical system.
1J. AXLE ADJUSTMENT SWITCH or DIFFERENTIAL
SWITCH: AXLE ADJUSTMENT SWITCH (Front
Pivot Model Only): Toggle switch to adjust rear
drive axle. Push switch right to make saw drive
to the right. Left to make saw drive to the left.
DIFFERENTIAL SWITCH (Rear Pivot Model
Only): Three Positions to control Pivot or Straight
or Neutral Mode. Toggle switch to LEFT for Pivot
Mode. Allows saw to be pivoted on its rear wheels.
Toggle switch to CENTER for Straight Mode.
Allows saw movement in a straight line. Toggle
switch to RIGHT position (Must be held in position).
Saw must have engine OFF, and ENGINE START
SWITCH (1H) in the OFF (“0”) position. Puts saw
in “Neutral” and allows pushing the machine.
1K. RED PALM SWITCH: For EMERGENCY STOP of
the saw. Stops all systems except lights, pull OUT
to reset. Do not use for routine stopping.
1L. WATER SAFETY SWITCH: Stops engine if
water supply to blade is interrupted. Set to
activate switch.
1M. BLADE DEPTH STOP SWITCH: Activates
or overrides depth stop for repetitive cuts at
same depth.
1N. AIR RESTRICTION INDICATOR: Service air lter
elements when indicator shows a red mark. Reset
before starting engine.
1O. SPEED CONTROL LEVER: Controls forward and
reverse directions, stop, and speed of saw.
1P. RAISE/LOWER TOGGLE SWITCH: Located
on speed control lever. Use to raise and lower
saw. Push up to raise saw upward. Push down to
lower saw.
1Q. BLADE DEPTH INDICATOR: Displays cutting
depth. Sets cutting depth for BLADE DEPTH STOP
SWITCH (1M).
1R. HANDLE ADJUSTMENT LOCK: Turn Clockwise to
lock handle bar in position. Turn Counterclockwise
to unlock and reposition handlebar.
1S. WATER INLET: Connects to 3/4” garden hose for
fresh water supply.
1T. WATER VALVE: Controls water ow rate to cool
the blade.
1U. SAW LOWERING SPEED CONTROL KNOB:
Turn knob clockwise to slow lowering speed. Turn
knob counterclockwise to increase lowering speed.
Access Knob through rear of machine.
1V. BLADE CLUTCH SWITCH (If Equipped): Engages
Blades Drive. Engage only with engine RPM at
FIGURE 1
1A. KNOB: Use to tighten operator grip handles.
1B. HANDLE BARS: For operator gripping. DO NOT
use to lift the saw. (Same as 6G)
1C. HOUR METER: Records engine hours of
operation.
1D. ----
1E. WATER TEMPERATURE GAUGE: Water/Glycol
is the coolant. Monitors the engine coolant
temperature. Maximum Safe temperature
is 220° F.
1F. ENGINE THROTTLE: Controls Engine RPM.
Push Red Button to unlock. Push in to decrease
RPM. Pull out to increase RPM. Or Turn Clockwise
to increase RPM. Turn counterclockwise to
decrease RPM.
1G. TACHOMETER: Displays engine speed (RPM,
n/min), or blade shaft speed (RPM, n/min) if
equipped with TACHOMETER SELECT SWITCH
(1Z), else displays only engine speed (RPM, n/
min). Select TACHOMETER display by moving
TACHOMETER SELECT SWITCH (1Z) to desired
position (If equipped). Three-speed gearbox
models have color bands (green, yellow, and
orange), displayed around outside of tachometer,
that relate GEARBOX SHIFT LEVER (3-2O)
position (1, 2, or 3) and maximum blade diameter
(inches only). Rotational speed (RPM, n/min) of
DIAMOND BLADE (2E) should remain in the proper
color band during operation.
WARNING: Take Notice of TACHOMETER
SELECT SWITCH (1Z) position! Tachometer
can indicate Blade Speed or Engine Speed.