Tennant sentinel User manual

SENTINEL
(Diesel)
Service Manual
9018524
Rev. 00 (05-2019)
*9018524*
North America / International
For the latest Parts Manuals and other
language Operator Manuals, visit:
www.tennantco.com/manuals
Tennant True®Parts
Machine Serial Number Range
(S/N 011000- )
®

INTRODUCTION
This manual is furnished with each new model. It provides necessary operation and 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 machine maintenance instructions provided.
• The machine is maintained with manufacturer supplied or equivalent parts.
MACHINE DATA
Please fill out at time of installation for
future reference.
Model No. -
Serial No. -
Installation Date -
PROTECT THE ENVIRONMENT
Please dispose of packaging
materials, used components
such as batteries and fluids in
an environmentally safe way
according to local waste disposal
regulations.
Always remember to recycle.
INTENDED USE
The Sentinel is an industrial rider machine designed to sweep hard surfaces (concrete, asphalt, stone, synthetic, etc).
Typical applications include industrial warehouses, manufacturing facilities, distribution facilities, stadiums, arenas,
convention centers, parking facilities, transportation terminals, and construction sites. Do not use this machine on soil,
grass, artificial turf, or carpeted surfaces. This machine can be used both indoors and outdoors, but ensure there is
adequate ventilation if used indoors. Do not use this machine other than described in this Service Manual.
Tennant Company
PO Box 1452
Minneapolis, MN 55440
Phone: [phone]
www.tennantco.com
Thermo-Sentry, Total View, PerformanceView, 1−Step, and Vario Sweeping Brush are trademarks of Tennant Company.
Mobil™ and Mobilfluid™ are registered trademarks of the ExxonMobil Corporation.
Specifications and parts are subject to change without notice.
Original Instructions, copyright©2019 TENNANT Company, Printed in U.S.A.

3
Sentinel 9018524 (05-2019)
CONTENTS
CONTENTS
Contents................................................................3
Safety Precautions ................................................7
General Information.............................................11
Machine Components...................................11
Instruments And Controls..............................12
Touchscreen Controls (Operator Screen).....12
Main Console Controls..................................13
Operator Controls .........................................14
Overhead Controls........................................15
Machine Symbols..........................................16
Touchscreen Icons........................................18
Tilting The Cab..............................................19
Tilting The Cab Manually ..............................19
Tilting The Cab With The Cab Jack
(Option)...................................................20
Fastener Torques..........................................22
SAE (Standard)........................................22
Metric .......................................................22
Specifications................................................23
General Machine Dimensions/
Capabilities..........................................23
General Machine Performance................24
Hydraulic System.....................................24
Power Type..............................................24
Steering....................................................25
Braking System........................................25
Tires .........................................................25
Machine Dimensions................................26
Maintenance........................................................27
Maintenance Chart........................................27
Lubrication ....................................................31
Hopper Tilt (Low Dump)...........................32
Hopper Lift/Tilt (High Dump Option).........32
Axle Leaf Springs.....................................32
Steering Cylinder......................................33
Wheel Pivot Points...................................33
Side Brush Pivot.......................................33
Vario Sweeping Brush (Option)................33
Conveyor Bearings...................................33
Conveyor Chain .......................................34
Differential................................................34
Main Brush Support Rods........................34
Hydraulics.....................................................35
Hydraulic Fluid Reservoir.........................35
Replacing The Hydraulic Fluid Filter........36
Hydraulic Fluid .........................................37
Hydraulic Hoses.......................................37
Purging Air From The Hydraulic
Conveyor Lift System..........................38
Engine...........................................................39
Engine Oil.................................................39
Diesel Engine Fuel...................................39
Cooling System........................................40
Air Filter Indicator.....................................41
Air Filter....................................................41
Air Intake Screen......................................42
Fuel Filter.................................................42
Fuel Water Separator...............................43
Diesel Exhaust Fluid (Def) Tank
(Tier 4F Emissions Engine).................43
DEF Dosing Unit And Filter
(Tier 4F Emissions Engine).................44
Fuel Lines.................................................45
Alternator/Fan Belt And Tensioner ...........45
Fuses And Relays.........................................46
Relays......................................................46
Fuses .......................................................46
Windshield Washer Fluid ..............................48
Wet Dust Control Filter (Option)....................49
Static Drag Chain..........................................49
Debris Hopper...............................................50
Hopper Dust Filter....................................50
Cleaning The Hopper Dust Filter..............50
Removing Or Replacing The Hopper
Dust Filter............................................50
Thermo-Sentry.........................................51
Conveyor.......................................................52
Brushes.........................................................53
Main Brush...............................................53
Replacing The Main Brush.......................53
Checking And Adjusting The Main
Brush Pattern ......................................55
Side Brush................................................55
Replacing The Side Brush .......................55

4Sentinel 9018524 (05-2019)
CONTENTS
Skirts And Seals............................................56
Brush Access Door Skirts.........................56
Dry Dust Control Skirts (Option)...............56
Brush Compartment Rear Skirt................56
Conveyor Skirts........................................56
Brush Door Seals.....................................57
Conveyor Seals........................................57
Hopper Seals ...........................................57
Cab Door Seals........................................57
Skids.............................................................58
Brakes And Tires...........................................58
Service Brakes.........................................58
Tires .........................................................58
Wheel Alignment...........................................59
Wheel Nuts ...................................................59
Pushing, Towing, And Transporting
The Machine...........................................60
Pushing Or Towing The Machine .............60
Transporting The Machine .......................60
Machine Jacking...........................................62
Storing The Machine.....................................63
Freeze Protection For Wet Dust
Control System Option And High
Pressure Washer Option.....................63
Troubleshooting...................................................64
Warnings, Faults, And Inhibits.......................64
Service Indicator/Button................................64
Engine Maintenance Alert Indicator..............64
Warning And Fault Indicators........................65
Inhibit Indicators............................................66
Fault Codes...................................................68
Engine Fault Codes ......................................74
Key Switch....................................................77
Starting System.............................................78
Charging System ..........................................79
Engine Oil Pressure And Temperature
Sensors ..................................................80
Engine Air Filter, Speed, And Fuel
Level Sensors.........................................81
Right And Left Brush Systems......................82
Main Brush And Conveyor Systems .............83
Hopper System.............................................84
Vacuum FanAnd Filter Shaker Systems.......85
Hopper Full Sensing System ........................86
Hopper Door And Vacuum Wand Door
Sensing Systems....................................87
Machine Speed Sensing System..................88
Level And Hopper Tilt Sensing Systems.......89
Blocked Conveyor And Hopper
Temperature Sensing System ................90
Wet Dust Control System..............................91
Pressure Washer System .............................92
Forward Propel And Brake Systems.............93
Reverse Propel And Brake Systems.............94
Vario Brush Tilt System.................................95
Vario BrushArm Swing/Slide System ...........96
Vario Brush Raise/LowerAnd Rotate
Systems..................................................97
Electrical Troubleshooting.............................98
Main Wire Harness Diagram....................98
Main Wire Harness Notes......................113
Cab Wire Harness Diagram...................116
Cab Wire Harness Notes .......................118
Hopper Wire Harness Diagram..............119
Hopper Wire Harness Notes..................121
Vario Brush Harness Diagram
(Option) .............................................122
Electrical Schematic Symbols.....................125
Electrical Schematic....................................126
Engine Wire Harness And Schematic.........137
Operational Matrix.......................................142
Vacuum Fan Motor.................................142
Filter Shaker Motor.................................142
Hopper System ......................................142
Hopper System (Continued)...................143
Conveyor System...................................143
Conveyor System (Continued)...............144
Conveyor and Main Brush Systems.......144
Main Brush Systems..............................144
Side Brush Systems...............................144
Enable System.......................................145
Vario Brush System Fault Conditions
And Data Login Faults.......................145
Connector Pin Designations .......................146
Vario Brush Pin Chart..................................147
Vario Brush Control Board Pin Voltage
Chart.....................................................147
Component Locator ....................................148
Component Locations Tables......................151

5
Sentinel 9018524 (05-2019)
CONTENTS
Hydraulic Troubleshooting ..........................153
Reservoir Hydraulic Hose Group ..........153
Steering And Brake Hydraulic Hose
Group ................................................154
Steering/Brake/Right Side Brush
Hydraulic Hose Group.......................155
Conveyor And Main Brush Hydraulic
Hose Group.......................................156
Propel Hydraulic Hose Group ................157
Low Dump Hydraulic Hose Group..........158
High Dump Hydraulic Hose Group
(Option) .............................................159
Left Side Brush Hydraulic Hose
Group (Option) ..................................160
High Pressure Sprayer Hydraulic
Hose Group (Option).........................161
Vario Brush Hydraulic Hose Group
(Option) .............................................162
Left Steering Hydraulic Hose
Group (Option) ..................................163
Hydraulic Pumps Group.........................164
Hydraulic Main Brush/Conveyor
Lift Valve Group.................................165
Hydraulic Hopper Control Valve
Group ................................................166
Hydraulic Side Brush Valve Group.........167
Hydraulic Manifold And Priority
Valve Group.......................................168
Vario Brush Hydraulic Control Group.....169
Hydraulic Schematic...................................170
Hydraulic Symbols Key...............................175
Solenoid Valve Details................................176
Sentinel Conveyor And Main Brush
Forward ................................................177
Sentinel Conveyor And Main Brush
Reverse................................................178
Main Brush Lower.......................................179
Conveyor Lower..........................................180
Main Brush Lift, Conveyor Lift, And
Conveyor Chain Tension ......................181
Right Side Brush Rotate And Lower ...........182
Left Side Brush Rotate And Lower..............183
Right And Left Side Brush Rotate
And Lower ............................................184
Right And Left Side Brush Lift.....................185
Vacuum Fans Run.......................................186
Filter Shaker Run........................................187
Vacuum FansAnd Filter Shaker Off............188
Hopper Tilt Back (Dump).............................189
Hopper Tilt Forward (Sweep Position)........190
Hopper Lift - High Dump (Optional) ............191
Hopper Lower - High Dump (Optional) .......192
Hopper Door Lock (Latch Closed) ..............193
Hopper Door Unlock (Latch Open) .............194
Vario Brush Slide Rotate Clockwise
(Optional)..............................................195
Vario Brush Slide Rotate
Counterclockwise (Optional).................196
Vario Brush Swing Right - Clockwise
(Optional)..............................................197
Vario Brush Swing Left -
Counterclockwise (Optional).................198
Vario Brush Slide Right (Optional)..............199
Vario Brush Slide Left (Optional).................200
Vario Brush Tilt Rear Edge Down
(Optional)..............................................201
Vario Brush Tilt Front Edge Down
(Optional)..............................................202
Vario Brush Tilt Left (Optional)....................203
Vario Brush Tilt Right (Optional)..................204
Vario Brush Lift (Optional)...........................205
Vario Brush Lower (Optional)......................206
Right Turn ...................................................207
Left Turn......................................................208
Brake Pedal (Push).....................................209
Brake Pedal (Release)................................210
Propel System (Page 1)..............................211
Propel System (Page 2)..............................212
Operational Matrix.......................................213
Vacuum Fan Motor.................................213
Filter Shaker Motor.................................213
Hopper System ......................................213
Hopper System (Continued)...................214
Conveyor System...................................214
Conveyor System (Continued)...............215
Conveyor and Main Brush Systems.......215
Main Brush Systems..............................215
Side Brush Systems...............................215
Component Locator ....................................217
Component Locations Tables......................220

6Sentinel 9018524 (05-2019)
CONTENTS
Service...............................................................222
Service Diagnostics Tool.............................222
Programming A New Interface Module .......222
Updating The Machine Firmware................225
Reconfiguring The MachineAfter New
Hardware/Option Installation................227
Accessing Support Documentation.............230
Downloading The Diagnostic Log...............232
Controls Group............................................234
Replacing The UI (User Interface)
Circuit Board......................................235
Calibrate Touch Button...........................237
Date/Time Set Button.............................238
Conveyor/Hopper Group.............................239
Replacing The Conveyor Chains ...........245
Axle Assembly/Brakes ................................248
Disassembling The Axle.........................252
Installing The Service Brake
Assembly...........................................257
Installing The Service Brake Seal Kit.....262
Removing The Parking Brake
Assembly...........................................266
Hopper ...................................................272
Replacing The Vacuum Fan
Hydraulic Motor(s).............................272
Lights/Cameras/Alarms/Sensors ................274
Replacing The Light(s)/Camera(s)/
Alarm(s)/Thermo Sentry....................274
Air Conditioner System...............................276

7
Sentinel 9018524 (05-2019)
SAFETY
The following precautions are used throughout this
manual as indicated in their descriptions:
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 following information signals potentially
dangerous conditions to the operator. Know
when these conditions can exist. Locate all safety
devices on the machine. Report machine damage
or faulty operation immediately.
WARNING: Engine emits toxic
gases. Severe respiratory damage
or asphyxiation can result. Provide
adequate ventilation. Consult with your
regulatory agency for exposure limits.
Keep engine properly tuned.
WARNING: High dump vertical
clearance. Stay clear of overhead
obstacles and power lines.
WARNING: Raised hopper may fall.
Engage hopper support bar.
WARNING: Raised hopper may fall.
Engage hopper support pin.
WARNING: Lift arm pinch point. Stay
clear of hopper lift arms.
WARNING: Hopper door pinch point.
Stay clear of hopper door.
WARNING: Brush linkage pinch point.
Stay clear when linkage is moving.
WARNING: Side brush can move. Do
not step on side brush.
WARNING: Conveyor throws debris.
Conveyor pinch point. Stay clear when
in operation.
WARNING: Machine nosy when using
can wand. Hearing loss can result. Wear
hearing protection.
WARNING: Flammable material can
cause explosion or fire. Do not use
flammable materials in tank. Only use
water.
WARNING: Do not spray people or
animals. Severe personal injury can
result. Wear eye protection. Hold
sprayer with two hands.
WARNING: Raised cab may fall.
Engage cab support bar.
WARNING: This machine contains chemicals
known to the state of California to cause
cancer, birth defects, or other reproductive
harm.
IRIS Telemetry - This machine may be
equipped with technology that automatically
communicates over the cellular network. If the
machine will be operated where cell phone use
is restricted because of concerns related to
equipment interference, please contact a Tennant
representative for information on how to disable
the cellular communication functionality.
FOR SAFETY:
1. Do not operate machine:
- Unless trained and authorized.
- Unless operator manual is read and
understood.
- Unless mentally and physically capable of
following machine instructions.
- Under the influence of alcohol or drugs.
- While using a cell phone or other types of
electronic devices.
- If not in proper operating condition.
- With pads or accessories not supplied or
approved by Tennant. The use of other pads
may impair safety.
- Without filters in place or with clogged filters.
- In dusty environments without the vacuum
fan on.
- In areas where flammable vapors/liquids or
combustible dusts are present.
- In areas that are too dark to safely see the
controls or operate the machine unless
operating / headlights are turned on.
- In flammable or explosive areas unless
designed for use in those areas.
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.
- Check parking brake for proper operation.
- Adjust seat and fasten seat belt.
IMPORTANT SAFETY INSTRUCTIONS - SAVE THESE INSTRUCTIONS

8Sentinel 9018524 (05-2019)
SAFETY
3. Before starting machine:
- Keep foot on brake and directional pedal in
neutral
4. When using machine:
- Use only as described in this manual.
- Use brakes to stop machine.
- Reduce speed when turning.
- Go slow on inclines and slippery surfaces.
- Do not pick up burning or smoking debris,
such as cigarettes, matches or hot ashes.
- Keep all parts of body inside operator station
while machine is moving.
- Always be aware of surroundings while
operating machine.
- Use care when reversing machine.
- Move machine with care when hopper is
raised.
- Make sure adequate clearance is available
before raising hopper.
- Do not raise hopper when machine is on an
incline.
- Keep children and unauthorized persons
away from machine.
- Do not allow machine to be used as a toy.
- Do not carry riders on machine.
- Always follow safety and traffic rules.
- Follow site safety guidelines when using
machine.
- Report machine damage or faulty operation
immediately.
5. Before leaving or servicing machine:
- Do not park near combustible materials,
dust, gases, or liquids.
- Stop on a level surface.
- Set parking brake.
- Turn off machine and remove key.
6. When servicing machine:
- All work must be done with sufficient lighting
and visibility.
- Keep work area well ventilated.
- Avoid moving parts. Do not wear loose
clothing, jewelry and secure long hair.
- Block machine tires before jacking
machine up.
- Jack machine up at designated locations
only. Support machine with jack stands.
- Use hoist or jack that will support the weight
of the machine.
- Do not push or tow the machine without an
operator in the seat controlling the machine.
- Do not power spray or hose off machine
near electrical components.
- Wear eye and ear protection when using
pressurized air or water.
- Disconnect battery connections before
working on machine.
- Keep all metal objects off batteries.
- Avoid contact with battery acid.
- Avoid contact with hot engine coolant.
- Do not remove cap from radiator when
engine is hot.
- 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.
- All repairs must be performed by trained
personnel.
- Do not modify the machine from its original
design.
- Use Tennant supplied or approved
replacement parts.
- Wear personal protective equipment as
needed and where recommended in this
manual.
For Safety: wear hearing protection.
For Safety: wear protective gloves.
For Safety: wear eye protection.
For Safety: wear protective dust mask.
7. When loading/unloading machine onto/off truck
or trailer:
- Empty debris hopper before loading
machine.
- Drain tanks before loading machine
- Use ramp, truck or trailer that will support
the weight of the machine and operator.
- Do not drive on a slippery ramp.
- Use caution when operating on a ramp.
- Do not load/unload on ramp inclines that
exceed 11% grade.
- Use winch. Do not drive the machine onto/off
the truck or trailer unless the load height is
380 mm (15 in) or less from the ground.
- Turn off machine and remove key.
- Set parking brake after machine is loaded.
- Turn off machine and remove key.
- Block machine tires.
- Tie machine down to truck or trailer.

9
Sentinel 9018524 (05-2019)
SAFETY
The following safety labels are mounted on the
machine in the locations indicated. Replace
damaged / missing labels.
WARNING LABEL - Machine
emits toxic gases. Serious
injury or death can result.
Provide adequate ventilation.
Located on upper console.
FOR SAFETY LABEL -
Read manual before
operating machine.
Located on upper
console.
WARNING LABEL - High
dump vertical distance.
Stay clear of overhead
obstructions and power
lines.
Located on upper console.
WARNING LABEL - Do not
spray people or animals.
Severe personal injury
can result. Wear eye
protection. Hold sprayer
with two hands.
Located on frame of
machine.
WARNING LABEL -
Brush linkage
pinch point. Stay
clear when linkage
is moving.
Located on front
of machine.
WARNING LABEL - Raised
cab may fall. Engage cab
support bar.
Located below cab on frame.
WARNING LABEL - Side brush
can move. Do not step on side
brush.
Located above side brush(es).

10 Sentinel 9018524 (05-2019)
SAFETY
WARNING LABEL -
Hopper door pinch point.
Stay clear of hopper door.
Located below hopper
door.
WARNING LABEL -
Flammable materials
can cause explosion
or fire. Do not use
flammable materials in
tank. Only use water.
Located on driver
side below water fill
spout.
WARNING LABEL - Raised hopper
may fall. Engage hopper support pin.
Located on both sides of support pin.
On low dump models, one is located
on upper support cylinder.
On high dump models, one is located
on driver side of hopper lift.
WARNING LABEL - Conveyor throws
debris. Conveyor pinch point. Stay
clear when in operation.
Located on back of conveyor.
WARNING LABEL - Machine noisy
when using vac wand. Hearing loss
can result. Wear hearing protection.
Located on vacuum wand.
WARNING LABEL - Lift
arm pinch point. Stay
clear of hopper lift arms.
Located on side of hopper
lift (High Dump).
Located on both sides of
support bar, on rear center of
hopper lift, and on both sides
of hopper lift (High Dump).
WARNING LABEL - Raised
hopper may fall. Engage
hopper support bar.

11
Sentinel 9018524 (05-2019)
GENERAL INFORMATION
GENERAL INFORMATION
MACHINE COMPONENTS
CG
I
N
M
J
K
H
ABDEF
L
A. Cab
B. Engine
C. Conveyor
D. Hopper
E. Dust Filter
F. Vacuum Fans
G. Hopper Door
H. Vacuum Wand (Option)
I. Hopper Lift
J. Main Brush
K. Side Brush(es)
L. Water Tank (right side)
M. Fuel Tank (right side)
N. Vario Sweeping Brush (Option)

12 Sentinel 9018524 (05-2019)
GENERAL INFORMATION
INSTRUMENTS AND CONTROLS
TOUCHSCREEN CONTROLS (OPERATOR
SCREEN)
12:35 PM00000 00000
RPM MPH
1750 3
F
BE
G
I
L
M
J
Q
T
A C D
H
K
V
W
N
O
P
R
SU
A. Engine temperature indicator
B. Help/information button
C. PerformanceView Camera button
D. Settings menu button
E. Oil pressure indicator
F. High beam indicator
G. Turn signal/4-way flasher indicator
H. Alert indicator/button
I. Battery charge indicator
J. Fuel level indicator
K. DEF (Diesel Exhaust Fluid) tank level
indicator (Tier 4F Emissions Engine)
L. Engine pre-heat indicator
M. High exhaust system temperature Indicator
(Tier 4F Emissions Engine)
N. Engine maintenance alert indicator
O. Exhaust system cleaning/regeneration
button/indicator (Tier 4F Emissions Engine)
P. Auto regeneration enable/disable button/
indicator (Tier 4F Emissions Engine)
Q. Odometer
R. Clock
S. Engine runtime hour meter
T. Engine RPM indicator
U. Engine RPM command indicator
V. Speedometer/button (MPH/KPH)
W. Tachometer (RPM)

13
Sentinel 9018524 (05-2019)
GENERAL INFORMATION
MAIN CONSOLE CONTROLS
A
F
H
B
C
D
E
G
I
N
L
M
R
J
K
O
P
Q
S
T
U
V
W
X
X
A. Heater knob
B. Fan knob
C. Air conditioner knob (Option)
D. Engine speed increase button (RPM)
E. Engine speed decrease button (RPM)
F. Right side brush button
G. Left side brush button
H. 1-Step button
I. Vacuum fan button
J. Wet dust control button (Option)
K. Filter shaker button
L. Conveyor reverse button
M. Hopper lift button (High Dump Model)
N. Hopper tilt back button
O. Hopper door open button
P. Hopper door close button
Q. Hopper lower button (High Dump Model)
R. Hopper tilt forward button
S. Engine shutdown override button
T. Left side brush wet dust control knob
(Option)
U. Vario Sweeping Brush left wet dust control
knob (Option)
V. Vario Sweeping Brush right wet dust control
knob (Option)
W. Right side brush wet dust control knob
(Option)
X. Air circulation vents

14 Sentinel 9018524 (05-2019)
GENERAL INFORMATION
OPERATOR CONTROLS
B
C
D
G
L
M
J
K
A
E
F
H
I
A. Steering wheel
B. Vario Sweeping Brush tilt/arm switch
(Option)
C. Vario Sweeping Brush joystick (Option)
D. Vario Sweeping Brush on/off switch
(Option)
E. Vario Sweeping Brush raise/lower Switch
(Option)
F. Windshield wiper and washer switch
G. Ignition switch
H. Directional switch
I. Parking brake switch
J. Parking lights, headlights, bright headlights,
signal, and horn switch
K. Steering wheel tilt lever
L. Service brake pedal
M. Propel pedal

15
Sentinel 9018524 (05-2019)
GENERAL INFORMATION
OVERHEAD CONTROLS
B
A
C
D
EG
F
H
A. Dome/map light switch
B. 4-way warning lights switch
C. Hazard light switch
D. Side brush spot light(s) switch
E. Rear night sweeping light switch (Option)
F. Front night sweeping light switch (Option)
G. High pressure washer switch (Option)
H. Radio/compact disc player (Option) - Not
Shown

16 Sentinel 9018524 (05-2019)
GENERAL INFORMATION
MACHINE SYMBOLS.
Vario Sweeping Brush Engine Speed Increase (RPM)
Vario Sweeping Brush Arm Engine Speed Decrease (RPM)
Vario Sweeping Brush Front
Tilt Down Filter Shaker
Vario Sweeping Brush Front
Tilt Up Parking Brake
Vario Sweeping Brush Side
Tilt Left Conveyor Reverse
Vario Sweeping Brush Side
Tilt Right Engine Shutdown Override
Vario Sweeping Brush Arm
Slide Left 1-Step Button
Vario Sweeping Brush Arm
Slide Right Jack Point
Vario Sweeping Brush Arm
Swing Left Heater
Vario Sweeping Brush Arm
Swing Right Heater/Air Conditioner Fan
Vario Sweeping Brush Up−Down Air Conditioner
Vario Sweeping Brush Rotation Flow Rate
Vario Sweeping Brush Left Water
Valve Knob Horn
Vario Sweeping Brush Right
Water Valve Knob Vacuum Fan

17
Sentinel 9018524 (05-2019)
GENERAL INFORMATION
Hopper Door Open Hopper Door Close
Wet Dust Control Left Side Brush Button
Left Side Brush (Wet Dust
Control) Right Side Brush Button
Right Side Brush (Wet Dust
Control) Diesel Fuel Only
Hazard Light Signal/4−Way Warning Lights
Rear Night Sweeping Light Side Brush Spot Light
High Pressure Washer Front Night Sweeping Light
Hopper Tilt Back Hopper Tilt Forward
Hopper Lift Hopper Lower
Forward/Reverse

18 Sentinel 9018524 (05-2019)
GENERAL INFORMATION
TOUCHSCREEN ICONS
Operator screen
(Home)
Supervisor settings
menu
Back arrow (previous
screen)
Forward arrow (next
screen) Scroll down Scroll up
Rear camera Left side camera Right side camera
Parking brake Video help Operator
Login Operator settings
menu Supervisor
Control help Calibrate touch Add profile
Start-up video Add/Edit profiles Edit profile
About (software
version) Date/Time Copy profile
Video menu Enable login Delete profile
Video selection Disable login User login
Video rotate view Backspace Enter
Screen brightness Disable automatic
regeneration Regeneration required
Engine alert High exhaust system
temperature Engine pre-heat
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19
Sentinel 9018524 (05-2019)
GENERAL INFORMATION
TILTING THE CAB
TILTING THE CAB MANUALLY
The cab can be manually tilted forward to access
components under the cab.
CAUTION: Do not attempt to tilt the cab without
the use of an overhead motorized trolly hoist.
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, set parking
brake, turn off machine, and remove key.
1. Secure or remove all loose items from inside
the cab.
2. Disconnect both door springs from the back of
the cab. The springs can remain attached to
the engine access doors.
3. Pinch the windshield wiper hose with a small
cable tie or clamp.
4. Remove the plug covering the access hole and
remove the hardware securing the rear corners
of the cab to the frame of the machine.
5. Attach a chain from the overhead hoist to the
hook on the top rear part of the cab. Tilt the
cab far enough to engage the cab support bar.
6. Align the lower hole of the support bar with the
machine frame, then install the pin into lower
hole to engage the cab support bar.
WARNING: Raised cab may fall. Engage
cab support bar.
7. Keep the chain from the overhead hoist
attached for added support.
8. To lower the cab, disengage the cab support
and use the hoist to lower the cab.

20 Sentinel 9018524 (05-2019)
GENERAL INFORMATION
9. Reinstall the hardware to secure the cab,
remove the cable tie/clamp from the windshield
wiper fluid hose, and reinstall both door springs
onto the back of the cab.
TILTING THE CAB WITH THE CAB JACK
(OPTION)
The cab jack allows the cab to be raised without
an overhead hoist or crane.
FOR SAFETY: Before leaving or servicing
machine, stop on level surface, set parking
brake, turn off machine, and remove key.
1. Secure or remove all loose items from inside
the cab.
2. Disconnect both door springs from the back of
the cab. The springs can remain attached to
the engine access doors.
3. Pinch the windshield wiper hose with a small
cable tie or clamp.
4. Remove the plug covering the access hole and
then remove the hardware securing the rear
corners of the cab to the frame of the machine.
5. Remove the cab jack handle from storage
location inside the cab of the machine.
6. Use the cab jack handle to tighten the cab jack
valve. Twist the handle clockwise to tighten the
valve.