Tennant 1186 User manual

1186
MM267
Rev. 05 (12–95)
(Operator Manual)

This manual is furnished with each new TENNANT Model 1186. It provides necessary operating and
preventive maintenance instructions. Read this manual completely and understand the machine before
operating or servicing it.
This manual covers all machine variations and standard options. The instruction portion of the manual
consists of the Specification, Operation, Maintenance, and Appendix sections. The parts portion consists
of the Standard Parts, Options, Engine Parts, Gasoline, LPG; and Cross Reference sections.
All right side and left side references to the machine are determined by facing the direction of forward
travel. All hardware considered to be of a common nature or locally available has been omitted from the
parts sections. Be aware that this machine may contain metric hardware. Make sure you use equivalent
hardware when replacement becomes necessary.
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.
Parts and supplies may be ordered by phone or mail from any TENNANT parts and service center,
distributor, or from any of the TENNANT subsidiaries. Before ordering parts or supplies, be sure to have
your machine model number and serial number handy. Fill out the data block below for future reference.
MACHINE DATA
Please fill out at time of installation.
Machine Serial Number –
Engine Serial Number –
Sales Representative –
Customer Number –
Date of Installation –
Manual Number – MM267
Revision: 05
Published: 12–95
Trademark Registered in: Austria, Benelux, Denmark, England, France, Germany, Italy, Spain,
Switzerland, United States, Argentina, Australia, Canada, Japan, Mexico, Sweden, by TENNANT,
Minneapolis, Minnesota, U.S.A.
Copyright 1990, 1991, 1992, 1994, 1995 TENNANT, Printed in U.S.A.

GENERAL INFORMATION
i
1186 MM267 (6–94)
SAFETY PRECAUTIONS
The following symbols are used throughout this
manual as indicated in their descriptions:
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 following information signals potentially
dangerous conditions to the operator or
equipment. Read this manual carefully. Know
when these conditions can exist. Locate all safety
devices on the machine. Then, take necessary
steps to train machine operating personnel.
Report machine damage or faulty operation
immediately. Do not use the machine if it is not in
proper operating condition.
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.
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 Using Machine:
–Go Slow On Grades And Slippery
Surfaces.
–Use Care When Backing Machine.
4. Before Leaving Or Servicing Machine:
–Stop On Level Surface.
–Set Parking Brake.
–Turn Off Machine And Remove Key.
5. When Servicing Machine:
–Avoid Moving Parts. Do Not Wear
Loose Jackets, Shirts, Or Sleeves
When Working On Machine.
–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.
–Use TENNANT Supplied Or Equivalent
Replacement Parts.
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: Heavy Hopper. Get Help To
Handle.
WARNING: Flammable Materials Can
Cause An Explosion Or Fire. Do Not
Use Flammable Materials In Tank(s).
WARNING: Flammable Materials Or
Reactive Metals Can Cause Explosion
Or Fire. Do Not Pick Up.

GENERAL INFORMATION
1186 MM267 (6–94)
ii
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.
FOR SAFETY LABEL - LOCATED ON THE
TOP OF THE SOLUTION TANK. TOXIC GASES LABEL –LOCATED ON THE
LEFT SIDE PANEL.
BACK STRAIN LABEL –LOCATED ON THE
UNDERSIDE OF THE FILTER ASSEMBLY.
06323
FLAMMABLE MATERIALS LABEL –
LOCATED ON RIGHT SIDE PANEL.
FLAMMABLE MATERIALS LABEL –
LOCATED ON RIGHT SIDE PANEL.

GENERAL INFORMATION
iii
1186 MM267 (6–94)
CONTENTS
Page
GENERAL INFORMATION i. . . . . . . . . . . . . .
SAFETY PRECAUTIONS i. . . . . . . . . . .
SPECIFICATIONS 1-1. . . . . . . . . . . . . . . . . . . . .
MACHINE SPECIFICATIONS 1-3. . . . . . . .
POWER TYPE 1-3. . . . . . . . . . . . . . . . . .
POWER TRAIN 1-3. . . . . . . . . . . . . . . . .
SUSPENSION SYSTEM 1-3. . . . . . . . .
SYSTEM FLUID CAPACITIES 1-3. . . .
GENERAL MACHINE DIMENSIONS –
CAPACITIES 1-3. . . . . . . . . . . . . . . . .
MACHINE WEIGHTS 1-3. . . . . . . . . . . .
GENERAL MACHINE
PERFORMANCE 1-3. . . . . . . . . . . . .
MACHINE DIMENSIONS 1-4. . . . . . . . . . . .
OPERATION 2-1. . . . . . . . . . . . . . . . . . . . . . . . . .
PREPARATION FOR OPERATION 2-3. . .
AFTER UNCRATING AND BEFORE
OPERATING MACHINE: 2-3. . . . . .
OPERATION OF CONTROLS 2-4. . . . . . .
MACHINE COMPONENTS 2-4. . . . . . . . . .
INSTRUMENT PANEL SYMBOLS 2-5.
CONTROLS AND INSTRUMENTS 2-6
CLUTCH HANDLES 2-7. . . . . . . . . . . . .
SOLUTION FLOW SWITCH 2-7. . . . . .
FILTER SHAKER BY-PASS SWITCH 2-7
AMMETER 2-7. . . . . . . . . . . . . . . . . . . . .
MAIN BRUSH LEVER 2-7. . . . . . . . . . . .
HOUR METER 2-7. . . . . . . . . . . . . . . . . .
START SWITCH 2-7. . . . . . . . . . . . . . . .
KEY-OPERATED ON-OFF SWITCH 2-7
ENGINE CHOKE KNOB 2-8. . . . . . . . . .
CIRCUIT BREAKERS AND FUSES 2-8
VACUUM SHUT-OFF KNOB 2-8. . . . . .
PARKING BRAKE LEVER 2-8. . . . . . . .
SQUEEGEE LEVER 2-8. . . . . . . . . . . . .
SIDE BRUSH ARM 2-8. . . . . . . . . . . . . .
THERMO-SENTRY2-9. . . . . . . . . . . .
Page
MACHINE OPERATION 2-10. . . . . . . . . . . . .
NORMAL SWEEPING OPERATION 2-10
PRE-START CHECKLIST 2-10. . . . . .
TO START MACHINE 2-10. . . . . . . . .
TO SWEEP 2-11. . . . . . . . . . . . . . . . . .
TO DUMP HOPPER 2-11. . . . . . . . . .
POST OPERATION CHECKLIST –
ENGINE OPERATING 2-11. . . . . .
TO STOP MACHINE 2-11. . . . . . . . . .
POST OPERATION CHECKLIST –
ENGINE STOPPED 2-12. . . . . . . .
NORMAL SCRUBBING OPERATION 2-12
PRE-START CHECKLIST 2-12. . . . . .
TO START MACHINE 2-12. . . . . . . . .
TO SCRUB 2-13. . . . . . . . . . . . . . . . . .
TO DRAIN SOLUTION TANK AND
EMPTY DEBRIS HOPPER 2-14. .
POST OPERATION CHECKLIST –
ENGINE OPERATING 2-15. . . . . .
TO STOP MACHINE 2-15. . . . . . . . . .
POST OPERATION CHECKLIST –
ENGINE STOPPED 2-15. . . . . . . .
DOUBLE SCRUBBING OPERATION 2-15
OPERATION ON GRADES 2-15. . . . . . .
MACHINE TROUBLESHOOTING 2-16.
TRANSPORTING MACHINE 2-17. . . . . . . . .
MACHINE TIE-DOWNS 2-17. . . . . . . . . .
MACHINE STORAGE 2-18. . . . . . . . . . . . . . .
STORING MACHINE 2-18. . . . . . . . . . . .
MAINTENANCE 3-1. . . . . . . . . . . . . . . . . . . . . . .
RECOMMENDED FIRST 25-HOUR
MACHINE INSPECTION 3-3. . . . . . . . .
MAINTENANCE CHART 3-4. . . . . . . . . . . .
LUBRICATION 3-6. . . . . . . . . . . . . . . . . . . . .
ENGINE 3-6. . . . . . . . . . . . . . . . . . . . . . . .
DRIVE CHAINS 3-6. . . . . . . . . . . . . . . . .
BRUSH ARM PIVOTS 3-6. . . . . . . . . . .
SIDE BRUSH GEAR BOX 3-6. . . . . . . .
REAR CASTER 3-7. . . . . . . . . . . . . . . . .
SELF ADJUSTING SHEAVE 3-7. . . . . .
SQUEEGEE PIVOT 3-7. . . . . . . . . . . . .