Saw User Manual
Table Of Contents
- DECLARATION OF CONFORMITY WITH THE “MACHINES” DIRECTIVE
- Table of Contents
- WARNINGSDO’s AND DO NOT’s
- Symbol Definitions
- General Information
- Technical Data - Sound Level, EMC, and HAV
- DECALS & LOCATIONS
- FS6600 DIESEL SPECIFICATIONS
- SPECIAL INSTRUCTIONS
- Husqvarna FS 6600 D / FS 8400 D, 3 Speed Gearbox Models
- ENGINE INFORMATION
- PreRE OperationPERATION ChecHECklistLIST
- ScheduledCHEDULED MaintenanceAINTENANCE QuicUICk ReferenceEFERENCE
- 1. Uses
- 2. Moving The Machine
- 3 Transport (Blade Removed)
- 4 Check Before Starting
- 5 Fitting The Blade
- 6 Starting The Saw
- 7 Stopping The Saw
- 8 Incidents During Sawing
- 9 Adjustments: Straight Line Sawing
- 10 Maintenance
- 11 Blade Shaft V-Belt Tension
- 12 Hydraulic System
- 13 Important Advice
- 14 Engine / Blade Shaft / Gearbox Speed Adjustment
- 15 Accessories
- 16 Large Diameter Models
- 17 Repairs
- 18 Spare Parts
- FS6600 DIESEL - BLADE SIZE CONVERSION CHART
- Diagram 1: Wiring Diagram - FS6600 - FS8400 Instrument and Control Box
- Diagram 2: Wiring Diagram - FS6600 - FS8400 Engine Wiring
- Diagram 3: Wiring Diagram - FS6600 - FS8400 Cowl Wiring
- Diagram 4: Ladder Diagram - FS6600 - FS8400 Electrical
![](/manual/husqvarna/fsa-8400-d/saw-user-manual/images/img-46.png)
48
FIGURE 3-2
3-2A. ENGINE GEARBOX: Three Speed Model.
3-2B. WATER CONNECTION: Circulates freshwater
through gearbox to cool it. Water then ows to
the bladeguard.
3-2C. WATER DRAIN VALVE: To drain water from gear-
box: Turn Counterclockwise to open, Clockwise to
close. Drain daily to prevent corrosion or damage
due to freezing temperatures.
3-2D. HOOD LATCH: One latch secures hood in lowered
position. US Model Operation: 1. Press HOOD
LATCH (3-1D3/3-2D3) inward. 2. Raise hood
until HOOD SUPPORT (6H) is engaged & sup-
ports hood. CE Model Operation: 1. Use tool to
loosen Capscrew (3-1D1/3-2D1). 2. Pivot tube latch
(3-1D2/3-2D2) downward. 3. Press HOOD LATCH
(3-1D3/3-2D3) inward. 4. Raise hood until HOOD
SUPPORT (6H) is engaged & supports hood.
3-2E. FLANGE COVER: Guards against FLANGE
contact during operation. Always keep in place!
3-2F. BELT PROTECTOR SHIELD: Keep in place.
3-2G. BLADESHAFT TUBE ASSY: Sealed unit contains
bladeshaft, bearings and shaft seals.
3-2H. TIEDOWN LUGS: Used to tie the saw down
while transporting by vehicle. Not to be used to lift
the saw.
3-2I. ENGINE OIL DRAIN VALVE: Drains engine oil
without use of tools.
3-2J. BELT TENSIONING BOLTS:
3-2K. HORIZONTAL CLAMPING BOLTS:
3-2L. BLADE SHAFT PULLEY:
3-2M. V-BELTS: Set of 4.
3-2N. GEARBOX PULLEY:
3-2O. GEARBOX SHIFT LEVER: Use to change output
speed of the ENGINE GEARBOX (3-2A). Three-
Speeds and two Neutral positions are available.
GEARBOX SHIFT LEVER positions (1, 2, and 3)
are color coded to match, among others, Gearbox
Range / Blade RPM decal. GEARBOX SHIFT
LEVER Operation:
1) Turn ENGINE START SWITCH (1H) to OFF
(“0”) position. Always turn Engine OFF before
shifting gearbox!
2) Verify that pulley size, flange size, and
blade shaft speed are correct for the blade
size being mounted.
WARNING: Serious injury can occur to the
operator or people in the work area if the rota-
tional speed (n/min) of the DIAMOND BLADE
(2E) exceeds the maximum speed (n/min)
marked on the DIAMOND BLADE (2E).
3) Lift GEARBOX DETENT KNOB (3-2P) and twist
to hold in “OPEN” position.
4) Move GEARBOX SHIFT LEVER (3-2O) to
required gear. A slight “rocking motion” of the
gearbox output shaft (or BLADE SHAFT) may
improve shifting.
5) Twist and lower GEARBOX DETENT KNOB
(3-2P) back to original “LOCKED” position.
3-2P. GEARBOX DETENT KNOB: Locks GEARBOX
SHIFT LEVER (3-2O) in position. See GEARBOX
SHIFT LEVER (3-2O) for operation.
3-2A
3-2B
3-2C
3-2M
3-2N
3-2P
3-2J
3-2I
3-2G
3-2K
3-2L
3-2F
3-2O
3-2E
3-2H
3-2D
3-2D1
3-2D2
3-1D3