Tennant 6400 User manual

6400
Operator Manual
Air Cooled
MM430
Rev. 07
*mm430*

This manual is furnished with each new TENNANT Model 6400. It provides necessary operating and
preventive maintenance instructions. Read this manual completely and understand the machine before
operating or servicing it.
This machine will provide excellent service. However, the best results will be obtained at minimum
costs if:
DThe machine is operated with reasonable care.
DThe machine is maintained regularly -- per the maintenance instructions provided.
DThe machine is maintained with TENNANT supplied or approved parts.
Manual Number -- MM430
Revision: 07
Published: 9--02
CALIFORNIA PROPOSITION 65 WARNING:
Engine exhaust from this product contains chemicals known to the State of
California to cause cancer, birth defects, or other reproductive harm.
Copyright E1996 -- 2000, 2001, 2002 TENNANT, Printed in U.S.A.

CONTENTS
1
6400 MM430 (6--00)
CONTENTS
Page
SAFETY PRECAUTIONS 3...................
OPERATION 6..............................
OPERATOR RESPONSIBILITY 6...........
MACHINE COMPONENTS 7...............
SYMBOL DEFINITIONS 8..................
CONTROLS AND INSTRUMENTS 10.......
OPERATION OF CONTROLS 11...........
DIRECTIONAL PEDAL 11...............
BRAKE PEDAL 12.....................
PARKING BRAKE PEDAL 12............
SEAT SUPPORT RELEASE LEVER 12...
THROTTLE LEVER 13..................
HOPPER LEVER 13....................
HOPPER DOOR LEVER 13.............
MAIN BRUSH LEVER 14................
MAIN BRUSH DOWN
PRESSURE KNOB 14...............
VACUUM AND FILTER
SHAKER LEVER 14.................
CHARGING SYSTEM LIGHT 15.........
ENGINE OIL PRESSURE LIGHT 15......
ENGINE TEMPERATURE LIGHT 15......
HOPPER TEMPERATURE LIGHT --
THERMO SENTRYt16.............
LPG FUEL LEVEL LOW LIGHT 16.......
CLOGGED FILTER LIGHT (OPTION) 17..
HOPPER DOOR CLOSED
LIGHT (OPTION) 17.................
HYDRAULIC FILTER BYPASS
LIGHT (OPTION) 18.................
FUEL LEVEL GAUGE 18................
ENGINE CHOKE KNOB 18..............
STEERING WHEEL 19.................
HOURMETER 19......................
STEERING WHEEL TILT HANDLE 19....
IGNITION SWITCH 19..................
HORN BUTTON 20.....................
SIDE BRUSH LEVER 20................
OPERATING LIGHTS
SWITCH (OPTION) 20...............
OPERATING/HAZARD LIGHTS
SWITCH (OPTION) 20...............
SIDE BRUSH DOWN
PRESSURE KNOB 21...............
CIRCUIT BREAKERS 21................
OPERATOR SEAT 22...................
DELUXE SUSPENSION
SEAT (OPTION) 22..................
HOPPER SUPPORT BAR 23............
HOW THE MACHINE WORKS 24...........
PRE-OPERATION CHECKLIST 24..........
CHANGING AN LPG FUEL TANK 26........
STARTING THE MACHINE 28..............
SWEEPING AND BRUSH INFORMATION 30.
Page
SWEEPING 31...........................
STOP SWEEPING 33.....................
EMPTYING THE HOPPER 34..............
STOP THE MACHINE 36..................
POST-OPERATION CHECKLIST 38.........
ENGAGING HOPPER SUPPORT BAR 39...
DISENGAGING HOPPER SUPPORT BAR 41
OPERATION ON INCLINES 42.............
OPTIONS 43.............................
VACUUM WAND 43....................
MACHINE TROUBLESHOOTING 45........
MAINTENANCE 46..........................
MAINTENANCE CHART 46................
LUBRICATION 48.........................
ENGINE 48............................
REAR WHEEL SUPPORT 48............
STEERING CYLINDER 48..............
FRONT WHEEL BEARINGS 49..........
HOPPER LIFT ARM PIVOTS 49.........
HYDRAULICS 50.........................
HYDRAULIC FLUID RESERVOIR 50.....
HYDRAULIC FLUID 50.................
HYDRAULIC HOSES 51................
PROPELLING MOTOR 51...............
ENGINE 52..............................
AIR FILTER 52.........................
FUEL FILTER 53.......................
CARBURETOR 53.....................
SPARK PLUGS 53.....................
ELECTRICAL 54..........................
BATTERY 54..........................
BELTS AND CHAINS 54...................
VACUUM FAN BELT 54.................
STATIC DRAG CHAIN 54...............
DEBRIS HOPPER 55......................
HOPPER DUST FILTER 55..............
REMOVING HOPPER DUST FILTER 55..
BRUSHES 57.............................
MAIN BRUSH 57.......................
REPLACING MAIN BRUSH 57........
CHECKING AND ADJUSTING
MAIN BRUSH PATTERN 58.......
SIDE BRUSH 60.......................
REPLACING SIDE BRUSH 60........
SIDE BRUSH GUARD 61............
SIDE BRUSH PIVOT 61..............

CONTENTS
6400 MM430 (6--00)
2
Page
SKIRTS AND SEALS 62...................
HOPPER LIP SKIRT 62.................
HOPPER SIDE SKIRT 62...............
BRUSH DOOR SKIRTS 62..............
REAR SKIRTS 63......................
SIDE BRUSH DUST CONTROL
SKIRTS (OPTION) 63................
BRUSH DOOR SEALS 63...............
HOPPER SEALS 63....................
HOPPER ACCESS DOOR SEAL 64......
HOPPER DOOR SEALS 64.............
VACUUM FAN SEAL 64.................
BRAKES AND TIRES 65...................
BRAKES 65...........................
TIRES 65.............................
REAR WHEEL 65......................
PUSHING, TOWING, AND
TRANSPORTING THE MACHINE 66....
PUSHING OR TOWING THE MACHINE 66
TRANSPORTING THE MACHINE 67....
MACHINE JACKING 69....................
STORING MACHINE 69...................
SPECIFICATIONS 70........................
GENERAL MACHINE PERFORMANCE 70...
POWER TYPE 71.........................
STEERING 71............................
HYDRAULIC SYSTEM 71..................
MACHINE DIMENSIONS 72................
INDEX 73...................................

SAFETY PRECAUTIONS
3
6400 MM430 (9--02)
SAFETY PRECAUTIONS
The following precautions are used throughout
this manual as indicated in their description:
WARNING: To warn of hazards or
unsafe practices that could result in
severe personal injury or death.
FOR SAFETY: To identify actions that
must be followed for safe operation of
equipment.
The machine is suited to sweep disposable
debris. Do not use the machine other than
described in this Operator Manual. The machine
is not designed for use on public roads.
The following information signals potentially
dangerous conditions to the operator or
equipment:
WARNING: Engine emits toxic gases.
Severe respiratory damage or
asphyxiation can result. Provide
adequate ventilation. Consult with your
regulatory authorities for exposure
limits. Keep engine properly tuned.
WARNING: Lift arm pinch point. Stay
clear of hopper lift arms.
WARNING: Raised hopper may fall.
Engage hopper support bar.
WARNING: Moving belt and fan. Keep
away.
FOR SAFETY:
1. Do not operate machine:
-- Unless trained and authorized.
-- Unless operation manual is read and
understood.
-- In flammable or explosive areas unless
designed for use in those areas.
-- In areas with possible falling objects
unless equipped with overhead guard.
2. Before starting machine:
-- Check for fuel leaks.
-- Keep sparks and open flame away
from refueling area.
-- Make sure all safety devices are in
place and operate properly.
-- Check brakes and steering for proper
operation.
3. When starting machine:
-- Keep foot on brake and directional
pedal in neutral.
4. When using machine:
-- Use brakes to stop machine.
-- Go slowly on inclines and slippery
surfaces.
-- Use care when reversing machine.
-- Move machine with care if hopper is
raised.
-- Make sure adequate clearance is
available before raising hopper.
-- Do not carry passengers on machine.
-- Always follow safety and traffic rules.
-- Report machine damage or faulty
operation immediately.
5. Before leaving or servicing machine:
-- Stop on level surface.
-- Set parking brake.
-- Turn off machine and remove key.
6. When servicing machine:
-- Avoid moving parts. Do not wear loose
jackets, shirts, or sleeves.
-- Block machine tires before jacking up
machine.
-- Jack up machine at designated
locations only. Block machine up with
jack stands.
-- Use hoist or jack that will support the
weight of the machine.
-- Wear eye and ear protection if using
pressurized air or water.
-- Disconnect battery connections before
working on machine.
-- Avoid contact with battery acid.
-- Avoid contact with hot engine coolant.
-- Allow engine to cool.
-- Keep flames and sparks away from
fuel system service area. Keep area
well ventilated.
-- Use cardboard to locate leaking
hydraulic fluid under pressure.
-- Use Tennant supplied or approved
replacement parts.