Tennant 385DLH User manual

385DLH
MM321
Operator Manual

This manual is furnished with each new TENNANT Model 385DLH. 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:
 The machine is operated with reasonable care.
 The machine is maintained regularly – per the maintenance instructions provided.
 The machine is maintained with TENNANT supplied or equivalent parts.
Manual Number – MM321
Revision: 06
Published: 3–97
Copyright 1993, 1994, 1995, 1996, 1997 TENNANT, Printed in U.S.A.

CONTENTS
1
385 MM321 (5–95)
CONTENTS
Page
SAFETY PRECAUTIONS 3. . . . . . . . . . . . . . . . .
OPERATION 5. . . . . . . . . . . . . . . . . . . . . . . . . . . .
OPERATOR RESPONSIBILITY 5. . . . . . . . .
MACHINE COMPONENTS 7. . . . . . . . . . . . .
CONTROL PANEL SYMBOLS 8. . . . . . . . . .
CONTROLS AND INSTRUMENTS 10. . . . . .
OPERATION OF CONTROLS 11. . . . . . . . . .
DIRECTIONAL PEDAL 11. . . . . . . . . . . . . .
BRAKE PEDAL 12. . . . . . . . . . . . . . . . . . . .
PARKING BRAKE LEVER 12. . . . . . . . . . .
HORN BUTTON 13. . . . . . . . . . . . . . . . . . . .
MAIN BRUSH AND SIDE BRUSH
LEVER 13. . . . . . . . . . . . . . . . . . . . . . . . .
HOPPER DOOR LEVER 14. . . . . . . . . . . .
HOPPER LIFT LEVER 15. . . . . . . . . . . . . .
MAIN BRUSH POSITION LEVER 16. . . .
MAIN BRUSH DOWN PRESSURE
KNOB 17. . . . . . . . . . . . . . . . . . . . . . . . . .
TURN SIGNAL SWITCH (OPTION) 17. . .
HOPPER TEMPERATURE LIGHT –
THERMO SENTRY18. . . . . . . . . . . .
ENGINE WATER TEMPERATURE
LIGHT 18. . . . . . . . . . . . . . . . . . . . . . . . . .
ENGINE OIL PRESSURE LIGHT 19. . . . .
CHARGING SYSTEM LIGHT 19. . . . . . . .
HOPPER DOOR LIGHT 19. . . . . . . . . . . . .
CLOGGED FILTER LIGHT 19. . . . . . . . . .
MAIN BRUSH SHUT DOWN LIGHT 20. .
FUEL LEVEL GAUGE 20. . . . . . . . . . . . . . .
HOURMETER 20. . . . . . . . . . . . . . . . . . . . .
HAZARD LIGHT SWITCH (OPTION) 20. .
OPERATING LIGHTS SWITCH 21. . . . . .
VACUUM FAN SWITCH 21. . . . . . . . . . . . .
ENGINE SPEED SWITCH 21. . . . . . . . . . .
FILTER SHAKER SWITCH 22. . . . . . . . . .
STEERING WHEEL 22. . . . . . . . . . . . . . . .
SIDE BRUSH POSITION LEVER 22. . . . .
IGNITION SWITCH 23. . . . . . . . . . . . . . . . .
SIDE BRUSH DOWN PRESSURE
KNOB 24. . . . . . . . . . . . . . . . . . . . . . . . . .
STEERING COLUMN TILT LEVER 24. . .
CIRCUIT BREAKERS 25. . . . . . . . . . . . . . .
FUSE 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LATCHES 26. . . . . . . . . . . . . . . . . . . . . . . . .
OPERATOR SEAT 26. . . . . . . . . . . . . . . . . .
HOPPER SUPPORT BAR 27. . . . . . . . . . .
WINDSHIELD WIPER SWITCH
(OPTION) 28. . . . . . . . . . . . . . . . . . . . . .
DOME LIGHT SWITCH (OPTION) 28. . . .
HEATER SWITCH (OPTION) 28. . . . . . . .
PRESSURIZER SWITCH (OPTION) 28. .
AUXILIARY SIDE BRUSH IN-OUT
SWITCH (OPTION) 29. . . . . . . . . . . . . .
AUXILIARY SIDE BRUSH UP-DOWN
SWITCH (OPTION) 29. . . . . . . . . . . . . .
Page
HOW THE MACHINE WORKS 29. . . . . . . . . .
PRE-OPERATION CHECKLIST 30. . . . . . . . .
STARTING THE MACHINE 31. . . . . . . . . . . . .
SWEEPING AND BRUSH INFORMATION 33
SWEEPING 34. . . . . . . . . . . . . . . . . . . . . . . . . .
STOP SWEEPING 36. . . . . . . . . . . . . . . . . . . .
EMPTYING THE HOPPER 37. . . . . . . . . . . . .
STOP THE MACHINE 39. . . . . . . . . . . . . . . . .
POST-OPERATION CHECKLIST 41. . . . . . . .
ENGAGING HOPPER SUPPORT BAR 42. .
DISENGAGING HOPPER SUPPORT BAR 43
OPERATION ON INCLINES 44. . . . . . . . . . . .
OPTIONS 45. . . . . . . . . . . . . . . . . . . . . . . . . . . .
VACUUM WAND 45. . . . . . . . . . . . . . . . . . .
BLOWER WAND 50. . . . . . . . . . . . . . . . . . .
TIE-DOWNS 52. . . . . . . . . . . . . . . . . . . . . . .
HEATER VALVE 52. . . . . . . . . . . . . . . . . . . .
MACHINE TROUBLESHOOTING 53. . . . . . .
MAINTENANCE 54. . . . . . . . . . . . . . . . . . . . . . . . .
MAINTENANCE CHART 54. . . . . . . . . . . . . . .
LUBRICATION 56. . . . . . . . . . . . . . . . . . . . . . . .
ENGINE 56. . . . . . . . . . . . . . . . . . . . . . . . . . .
REAR WHEEL SUPPORT 56. . . . . . . . . . .
FRONT WHEEL BEARINGS 56. . . . . . . . .
HYDRAULICS 57. . . . . . . . . . . . . . . . . . . . . . . .
HYDRAULIC FLUID RESERVOIR 57. . . .
HYDRAULIC FLUID 57. . . . . . . . . . . . . . . .
HYDRAULIC HOSES 58. . . . . . . . . . . . . . .
PROPELLING MOTOR 58. . . . . . . . . . . . . .
ENGINE 59. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COOLING SYSTEM 59. . . . . . . . . . . . . . . .
AIR FILTER INDICATOR 60. . . . . . . . . . . .
AIR FILTER 60. . . . . . . . . . . . . . . . . . . . . . . .
FUEL FILTER 61. . . . . . . . . . . . . . . . . . . . . .
FUEL PIPES 61. . . . . . . . . . . . . . . . . . . . . . .
PRIMING FUEL SYSTEM 61. . . . . . . . . . .
BATTERY 62. . . . . . . . . . . . . . . . . . . . . . . . . . . .
BELTS AND CHAINS 62. . . . . . . . . . . . . . . . . .
ENGINE FAN BELT 62. . . . . . . . . . . . . . . . .
STATIC DRAG CHAIN 62. . . . . . . . . . . . . .
DEBRIS HOPPER 63. . . . . . . . . . . . . . . . . . . . .
HOPPER DUST FILTER 63. . . . . . . . . . . . .
TO REMOVE HOPPER DUST
FILTER 63. . . . . . . . . . . . . . . . . . . . . .
THERMO SENTRY65. . . . . . . . . . . . . . .
BRUSHES 65. . . . . . . . . . . . . . . . . . . . . . . . . . . .
MAIN BRUSH 65. . . . . . . . . . . . . . . . . . . . . .
TO REPLACE MAIN BRUSH 65. . . . . .
TO CHECK AND ADJUST MAIN
BRUSH PATTERN 67. . . . . . . . . . . .
SIDE BRUSH 69. . . . . . . . . . . . . . . . . . . . . .
TO REPLACE SIDE BRUSH 69. . . . . .
SIDE BRUSH GUARD 70. . . . . . . . . . . . . .

CONTENTS
385 MM321 (5–95)
2
Page
SKIRTS AND SEALS 70. . . . . . . . . . . . . . . . . .
HOPPER LIP SKIRTS 70. . . . . . . . . . . . . . .
HOPPER SIDE SKIRT 71. . . . . . . . . . . . . .
BRUSH DOOR SKIRTS 71. . . . . . . . . . . . .
REAR SKIRTS 71. . . . . . . . . . . . . . . . . . . . .
SIDE BRUSH DUST CONTROL SKIRTS
(OPTION) 72. . . . . . . . . . . . . . . . . . . . . .
BRUSH DOOR SEALS 72. . . . . . . . . . . . . .
HOPPER SEALS 72. . . . . . . . . . . . . . . . . . .
HOPPER INSPECTION DOOR SEAL 72.
HOPPER DOOR SEALS 73. . . . . . . . . . . .
HOPPER COVER SEAL 73. . . . . . . . . . . . .
HOPPER DUST SEAL 73. . . . . . . . . . . . . .
HOPPER VACUUM FAN SEAL 73. . . . . . .
BRAKES AND TIRES 74. . . . . . . . . . . . . . . . . .
SERVICE BRAKES 74. . . . . . . . . . . . . . . . .
PARKING BRAKE 74. . . . . . . . . . . . . . . . . .
TIRES 74. . . . . . . . . . . . . . . . . . . . . . . . . . . .
REAR WHEEL 74. . . . . . . . . . . . . . . . . . . . .
PUSHING OR TOWING MACHINE 75. . . . . .
MACHINE JACKING 76. . . . . . . . . . . . . . . . . . .
STORING MACHINE 76. . . . . . . . . . . . . . . . . .
SPECIFICATIONS 77. . . . . . . . . . . . . . . . . . . . . . .
GENERAL MACHINE
DIMENSIONS/CAPACITIES 77. . . . . . . . .
GENERAL MACHINE PERFORMANCE 77. .
POWER TYPE 78. . . . . . . . . . . . . . . . . . . . . . . .
STEERING 78. . . . . . . . . . . . . . . . . . . . . . . . . . .
HYDRAULIC SYSTEM 78. . . . . . . . . . . . . . . . .
BRAKING SYSTEM 78. . . . . . . . . . . . . . . . . . .
TIRES 78. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INDEX 79. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SAFETY PRECAUTIONS
3
385 MM321 (3–96)
SAFETY PRECAUTIONS
The following precautions are used throughout
this manual as indicated in their description:
WARNING: To warn of hazards or
unsafe practices which could result in
severe personal injury or death.
FOR SAFETY: To identify actions which
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:
FOR SAFETY:
1. Do not operate machine:
– Unless trained and authorized.
– Unless operator manual is read and
understood.
– If it is not in proper operating
condition.
– 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, oil, and liquid 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 slow on inclines and slippery
surfaces.
– Use care when reversing machine.
– Move machine with care when 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
machine up.
– Jack machine up at designated
locations only. Block machine up with
jack stands.
– Use hoist or jack of adequate capacity
to lift machine.
– Wear eye and ear protection when
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.
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: Raised hopper may fall.
Engage hopper support bar.
WARNING: Lift arm pinch point. Stay
clear of hopper lift arms.
WARNING: Moving belt and fan. Keep
away.
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.

SAFETY PRECAUTIONS
385 MM321 (6–93)
4
The following safety labels are mounted on the
machine in the locations indicated. If these or any
label becomes damaged or illegible, install a new
label in its place.
HOPPER LIFT ARMS LABEL –LOCATED
ON BOTH HOPPER LIFT ARMS.
HOPPER SUPPORT BAR LABEL –
LOCATED ON THE HOPPER SUPPORT BAR
AND ON BOTH HOPPER LIFT ARMS.
ENGINE FAN AND BELT LABEL –
LOCATED ON THE RADIATOR SHROUD.
EMISSIONS LABEL –LOCATED ON THE
SIDE PANEL OF THE OPERATOR
COMPARTMENT.
08325
FOR SAFETY LABEL –LOCATED ON
THE SIDE PANEL OF THE OPERATOR
COMPARTMENT.

OPERATION
5
385 MM321 (3–96)
OPERATION
OPERATOR RESPONSIBILITY
The operator’s responsibility is to take care
of the daily maintenance and checkups of
the machine to keep it in good working
condition. The operator must inform the
service mechanic or supervisor when the
required maintenance intervals occur as
stated in the MAINTENANCE section of this
manual.
Read this manual carefully before operating
this machine.
FOR SAFETY: Do not operate machine,
unless operation manual is read and
understood.
Check the machine for shipping damage.
Check to make sure machine is complete
per shipping instructions.
Check the hydraulic fluid level in the
hydraulic reservoir.
Check the engine oil level.
07324
08321
08322

OPERATION
385 MM321 (5–93)
6
Check the radiator coolant level.
FOR SAFETY: When servicing machine,
avoid contact with hot engine coolant.
Fill the fuel tank.
FOR SAFETY: When servicing machine,
keep flames and sparks away from fuel
system service area. Keep area well
ventilated.
After the first 50 hours of operation, follow
the recommended procedures stated in the
MAINTENANCE CHART.
Keep your machine regularly maintained by
following the maintenance information in this
manual. We recommend taking advantage
of a regularly scheduled service contract
from your TENNANT representative.
Order parts and supplies directly from your
authorized TENNANT representative. Use
the parts manual provided when ordering
parts.
08323
08324

OPERATION
7
385 MM321 (6–93)
MACHINE COMPONENTS
AB
C
D
E
F
GH
I
08325
A. Operator eat F. Hopper Cover
B. teering Wheel G. Hopper Access Cover
C. Engine Cover H. ide Brush
D. Engine ide Door I. Instrument Panel
E. Main Brush Access Door

OPERATION
385 MM321 (5–93)
8
CONTROL PANEL SYMBOLS
These symbols identify controls and displays on
the machine:
Main and Side Brushes On Charging System
Main Brush On Engine Oil Pressure
Hopper Door Open Engine Water Temperature
Hopper Door Close Hopper Temperature –Thermo Sentry
Hopper Down Main Brush Shut Down
Hopper Up Filter Clogged
Horn Hopper Door Closed
Main Brush Down Pressure Light Fuel
Main Brush Down Pressure Heavy Hourmeter
Main Brush Float Hazard Light
Main Brush Down Filter Shaker
Main Brush Up Operating Lights
Side Brush Down Pressure Light Fan
Side Brush Down Pressure Heavy Engine Speed

OPERATION
9
385 MM321 (5–93)
Side Brush Down Circuit Breaker 9
Side Brush Up Circuit Breaker 10
Circuit Breaker 1 Windshield Wiper Slow
Circuit Breaker 2 Windshield Wiper Fast
Circuit Breaker 3 Dome Light
Circuit Breaker 4 Heater
Circuit Breaker 5 Cab Pressurizer Slow
Circuit Breaker 6 Cab Pressurizer Fast
Circuit Breaker 7 Side Brush In
Circuit Breaker 8 Side Brush Out

OPERATION
385 MM321 (5–93)
10
CONTROLS AND INSTRUMENTS
A
B
C
D
G
BB CC
DD
E
F
H
I
J
K
L
M
N
O
P
Q
R
T
U
V
W
X
Y
Z
AA
08326
A. Directional Pedal P. Clogged Filter Light
B. Brake Pedal Q. Main Brush hut Down Light
C. Parking Brake Lever R. Fuel Level Gauge
D. Horn Button . Hourmeter
E. Main Brush And ide Brush Lever T. Hazard Light witch (Option)
F. Hopper Door Lever U. Operating Light witch
G. Hopper Lift Lever V. Vacuum Fan witch
H. Main Brush Position Lever W. Engine peed witch
I. Main Brush Down Pressure Knob X. Filter haker witch
J. Turn ignal witch (Option) Y. teering Wheel
K. Hopper Temperature Light - Z. ide Brush Position Lever
Thermo entryAA.Ignition witch
L. Engine Water Temperature Light BB. ide Brush Down Pressure Knob
M. Engine Oil Pressure Light CC. teering Column Tilt Lever
N. Charging ystem Light DD.Circuit Breakers
O. Hopper Door Light

OPERATION
11
385 MM321 (5–93)
OPERATION OF CONTROLS
DIRECTIONAL PEDAL
The directional pedal controls direction of travel
and the propelling speed of the machine. You
change the speed of the machine with the
pressure of your foot; the harder you press the
faster the machine travels.
Forward: Press the top of the directional pedal
with the toe of your foot.
Reverse: Press the bottom of the directional
pedal with the heel of your foot.
Neutral: Take your foot off the directional pedal
and it will return to the neutral position.
08327
08328
08329

OPERATION
385 MM321 (5–93)
12
The toe angle of the directional pedal is
adjustable. Remove the clevis pin, move the top
of the pedal to the angle needed, and put the
clevis pin through the adjustment holes.
BRAKE PEDAL
The brake pedal stops the machine.
Stop: Take your foot off the directional pedal and
let it return to the neutral position. Step on the
brake pedal.
PARKING BRAKE LEVER
The parking brake lever sets and releases the
front wheel brakes.
Set: Pull the parking brake lever up.
FOR SAFETY: Before leaving or
servicing machine; stop on level
surface, set parking brake, turn off
machine and remove key.
Release: Push the parking brake lever down.
08330
08331
08332
08333

OPERATION
13
385 MM321 (5–93)
HORN BUTTON
The horn button operates the horn.
Sound: Press the button.
MAIN BRUSH AND SIDE BRUSH LEVER
The main brush and side brush lever controls the
main brush and side brush rotation.
Main Brush and Side Brush On: Push the main
brush and side brush lever into the On position.
Main Brush and Side Brush Off: Pull the main
brush and side brush lever into the middle
position.
Main Brush On: Pull the main brush and side
brush lever into the On position.
NOTE: Always raise the main brush when the
machine is not being operated for some time. This
prevents the main brush from getting a flat spot.
08334
08343
08342
08341

OPERATION
385 MM321 (5–94)
14
HOPPER DOOR LEVER
The hopper door lever opens and closes the
hopper door and dust door. Open the hopper door
when sweeping. Close the hopper door when
emptying the hopper to control debris and dust.
Open: Push the hopper door lever into the Open
position and leave it there.
Hold: Release the hopper door lever into the
middle position.
Close: Pull and hold the hopper door lever into
the Close position.
NOTE: The hopper door will not close if the main
brush and side brush are operating.
08338
08339
08340

OPERATION
15
385 MM321 (5–93)
HOPPER LIFT LEVER
The hopper lift lever raises and lowers the hopper.
Up: Pull and hold the hopper lift lever into the Up
position.
WARNING: Raised hopper may fall.
Engage hopper support bar.
NOTE: The hopper will not raise if the main brush
and side brush are operating.
Hold: Release the hopper lift lever up and into the
middle position.
Down: Push and hold the hopper lift lever into the
Down position.
08335
08336
08337

OPERATION
385 MM321 (5–93)
16
MAIN BRUSH POSITION LEVER
The main brush position lever lowers and raises
the main brush. The main brush can be lowered
into two sweeping positions; down and float.
Down is used for general sweeping. Float is used
when sweeping extremely uneven surfaces.
Down: Pull the main brush position lever back
and to the left into the Down position.
Float: Pull the main brush position lever back and
to the left and over into the Float position.
Up: Pull the main brush position lever all the way
back and to the right into the Up position.
08344
08345
08346

OPERATION
17
385 MM321 (5–93)
MAIN BRUSH DOWN PRESSURE KNOB
The main brush down pressure knob changes the
main brush contact with the sweeping surface.
Heavy: Turn the main brush down pressure knob
counter-clockwise.
Light: Turn the main brush down pressure knob
clockwise.
TURN SIGNAL SWITCH (OPTION)
The turn signal switch operates the turn signals.
Right: Push the switch lever forward.
08347
08348
06487

OPERATION
385 MM321 (5–93)
18
Left: Pull the switch lever back.
Flashers: Pull out the knob.
HOPPER TEMPERATURE LIGHT –THERMO
SENTRY
The hopper temperature light comes on when
there is too much heat in the hopper, possibly
from a fire. The Thermo Sentry will stop the
vacuum fan.
The Thermo Sentryhas to be reset manually,
see THERMO SENTRYin MAINTENANCE.
ENGINE WATER TEMPERATURE LIGHT
The engine water temperature light comes on
when the temperature of the engine coolant is
more than 107C. Stop operating the machine.
Locate the problem and have it corrected.
06488
06745
07760
07759