Tennant 255 Series II, Operator'S Manual, Page: 13 / 128

GENERAL INFORMATION
vii
255 SERIES II MM189 (6---90)
Page
ELECTRICAL SCHEMATIC, AUTO
SHAKER, RFS 3-35 . . . . . . . . . . . . . . . . . . . .
BELTS AND CHAINS 3-37 . . . . . . . . . . . . . . . . . . . .
ENGINE FAN BELT 3-37 . . . . . . . . . . . . . . . . . .
GOVERNOR BELT (For machines
below serial number 038000) 3-37 . . . . . .
STATIC DRAG CHAIN 3-37 . . . . . . . . . . . . . . . .
DEBRIS HOPPER 3-38 . . . . . . . . . . . . . . . . . . . . . .
HOPPER DUST FILTER 3-38 . . . . . . . . . . . . . .
TO REMOVE HOPPER DUST FILTER 3-38
TO INSTALL HOPPER DUST FILTER 3-39
DEBRIS HOPPER 3-39 . . . . . . . . . . . . . . . . . . .
TO ADJUST LOW DUMP
MODEL HOPPER 3-39 . . . . . . . . . . . . . .
TO ADJUST MULTI-LEVEL DUMP
MODEL HOPPER 3-40 . . . . . . . . . . . . . .
THERMO SENTRY
t
3-43 . . . . . . . . . . . . . . . . .
BRUSHES 3-44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MAIN BRUSH 3-44 . . . . . . . . . . . . . . . . . . . . . . .
TO REPLACE MAIN BRUSH 3-44 . . . . . . .
TO CHECK AND ADJUST
MAIN BRUSH PATTERN 3-45 . . . . . . . .
SIDE BRUSH . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-46
TO REPLACE SIDE BRUSH 3-47 . . . . . . . .
SKIRTS AND SEALS 3-48 . . . . . . . . . . . . . . . . . . . .
HOPPER LIP SKIRTS 3-48 . . . . . . . . . . . . . . . .
TO REPLACE HOPPER LIP SKIRTS 3-48 .
BRUSH DOOR SKIRTS 3-48 . . . . . . . . . . . . . . .
TO REPLACE AND ADJUST
BRUSH DOOR SKIRTS 3-49 . . . . . . . . .
REAR SKIRTS 3-49 . . . . . . . . . . . . . . . . . . . . . . .
TO REPLACE AND ADJUST
THE REAR SKIRTS 3-49 . . . . . . . . . . . .
MAIN BRUSH DOOR SEALS 3-50 . . . . . . . . . .
HOPPER SEALS 3-50 . . . . . . . . . . . . . . . . . . . .
HOPPER INSPECTION DOOR SEAL 3-50 . . .
HOPPER DOOR SEALS 3-51 . . . . . . . . . . . . . .
HOPPER COVER SEAL 3-51 . . . . . . . . . . . . . .
HOPPER VACUUM FAN SEAL 3-51 . . . . . . . .
BRAKES AND TIRES 3-52 . . . . . . . . . . . . . . . . . . .
SERVICE BRAKES 3-52 . . . . . . . . . . . . . . . . . . .
TO ADJUST BRAKE LINKAGE 3-52 . . . . . .
PARKING BRAKES 3-52 . . . . . . . . . . . . . . . . . .
TIRES 3-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SCRUB ATTACHMENT 3-53 . . . . . . . . . . . . . . . . . .
SCRUB ATTACHMENT 3-53 . . . . . . . . . . . . . . .
SOLUTION TANKS 3-53 . . . . . . . . . . . . . . . . . . .
SOLUTION DISTRIBUTION SYSTEM 3-53 . . .
SCRUB BRUSHES 3-53 . . . . . . . . . . . . . . . . . . .
TO REPLACE SCRUB BRUSH 3-54 . . . . . .
TO CHECK AND ADJUST SCRUB
BRUSH PATTERN 3-54 . . . . . . . . . . . . . .
RECOVERY TANK 3-56 . . . . . . . . . . . . . . . . . . .
TO DRAIN THE RECOVERY TANK 3-56 . .
TO CLEAN THE RECOVERY TANK 3-56 . .
Page
DEBRIS HOPPER 3-57 . . . . . . . . . . . . . . . . . . .
SIDE SQUEEGEE 3-58 . . . . . . . . . . . . . . . . . . .
TO REPLACE SIDE SQUEEGEE
BLADE 3-58 . . . . . . . . . . . . . . . . . . . . . . .
REAR SQUEEGEE 3-59 . . . . . . . . . . . . . . . . . . .
TO REPLACE OR ROTATE
REAR BLADE 3-59 . . . . . . . . . . . . . . . . .
TO REPLACE OR ROTATE
FRONT BLADE 3-60 . . . . . . . . . . . . . . . .
TO CHECK AND ADJUST REAR
SQUEEGEE 3-61 . . . . . . . . . . . . . . . . . . .
SNOW BROOM 3-63 . . . . . . . . . . . . . . . . . . . . . . . .
SNOW BROOM 3-63 . . . . . . . . . . . . . . . . . . . . .
TO REPLACE SNOW BROOM 3-63 . . . . . .
APPENDIX 4-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HARDWARE INFORMATION 4-3 . . . . . . . . . . . . . .
STANDARD BOLT TORQUE CHART 4-3 . . . .
METRIC BOLT TORQUE CHART 4-3 . . . . . . .
BOLT IDENTIFICATION 4-3 . . . . . . . . . . . . . . . .
THREAD SEALANT AND LOCKING
COMPOUNDS 4-3 . . . . . . . . . . . . . . . . . . . .
HYDRAULIC FITTING INFORMATION 4-4 . . . . . .
HYDRAULIC TAPERED PIPE FITTING
(NPT) TORQUE CHART 4-4 . . . . . . . . . . . .
HYDRAULIC TAPERED SEAT FITTING
(JIC) TORQUE CHART 4-4 . . . . . . . . . . . . .
HYDRAULIC O-RING FITTING TORQUE
CHART 4-4 . . . . . . . . . . . . . . . . . . . . . . . . . . .
LOW DUMP MODEL PARTS 5-1 . . . . . . . . . . . . . . . . .
ORDERING REPAIR PARTS 5-3 . . . . . . . . . . . . . . .
Fig. 1 --- Recommended General
Maintenance Items 5-4 . . . . . . . . . .
Fig. 2 --- Replacement Brushes 5-6 . . . . . . . . . .
Fig. 3 --- Main Frame Group 5-8 . . . . . . . . . . . . .
Fig. 4 --- Seat and Radiator Group 5-10 . . . . . . .
Fig. 5 --- Seat Group, Distributorless (DIS) 5-12
Fig. 6 --- Radiator Group, Distributorless
(DIS) 5-14 . . . . . . . . . . . . . . . . . . . . . .
Fig. 7 --- Engine Cover and Side
Door Group 5-16 . . . . . . . . . . . . . . . .
Fig. 8 --- Hopper Group 5-18 . . . . . . . . . . . . . . . . .
Fig. 9 --- Hopper Cover and Filter Group 5-20 . .
Fig. 10 --- Hopper Lift Arms Group 5-22 . . . . . . . .
Fig. 11 --- Side Brush Group 5-24 . . . . . . . . . . . . .
Fig. 12 --- Front Wheel and Brakes Group 5-26 .
Fig. 13 --- Steering Control Group 5-28 . . . . . . . .
Fig. 14 --- Rear Wheel Drive Group 5-30 . . . . . . . .
Fig. 15 --- Main Brush Drive Group 5-32 . . . . . . . .
Fig. 16 --- Main Brush Lift Group 5-33 . . . . . . . . . .
Fig. 17 --- Access and Kick Panels Group 5-34 . .
Fig. 18 --- Vacuum Fan Group 5-35 . . . . . . . . . . . .
Fig. 19 --- Instrument and Control
Panels Group 5-36 . . . . . . . . . . . . . . .