PDF Operations Service & Parts Manual Leeboy Blaw Knox CB 90 Broom - 883 KB
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This document combines operations, service, and parts information into a single, convenient guide.
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--- Page 1 ---
TM
OPERATIONS, MAINTENANCE,
AND PARTS MANUAL
Blaw-Knox Model CB-90 Broom
Manual No. 1006041-01
--- Page 3 ---
TM
Safety
Follow the guidelines of the EPA or other
! CAUTION governmental agencies for the proper
disposal of hazardous materials such as
The safety messages that follow have CAUTION engine oil, diesel fuel and engine coolant.
level hazards. Consult the local authorities or reclama-
tion facility.
Poor Lighting Hazard
2
Ensure that the work area is adequately illuminated. Clean all accumulated dirt and debris away from the
Always install wire cages on portable safety lights. body of the broom and its components before you
inspect the broom or perform preventive maintenance
procedures or repairs. Operating a broom with accu-
Tool Hazard mulated dirt and debris will cause premature wear of
broom components. Accumulated dirt and debris also
Always use tools appropriate for the task at hand and
hinders effective broom inspection.
use the correct size tool for loosening or tightening
Blaw-Knox Model CB-90 Broom parts.
Retrieve any tools or parts that may have dropped
inside of the broom to avoid improper broom
operation.
The safety messages that follow have NOTICE
level hazards.
Dispose of hazardous materials in accordance with
all applicable laws and regulations. Never dispose of
Any part which is found defective as a result of inspec- hazardous materials by dumping them into a sewer,
tion or any part whose measured value does not on the ground, or into groundwater or waterways.
satisfy the standard or limit must be replaced.
If any alert indicator illuminates during broom opera-
Always tighten components to the specified torque. tion, stop the engine immediately. Determine the
Loose parts can cause Blaw-Knox Model CB-90 cause and repair the problem before continuing to
Broom damage or cause it to operate improperly. operate the broom.
Only use replacement parts approved by LB
Performance. Other replacement parts may affect
warranty coverage.
Blaw-Knox Model CB-90 Broom 2-5
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TM
Specifications
ITEM SPECIFICATION
Rear Axle, Differential, Semi-Float: 3.55:1 Ratio
Brakes: Drum-Type Hydraulic
Table 4-5. System Capacity
ITEM SPECIFICATION
Fuel: 114 L (30.0 gal)
Engine Lube Oil: 10 L (10.6 qt) KUBOTA
Hydraulic Oil Reserve: 90.9 L (24 gal)
Axle: 2.78 L (94 oz) Each
Table 4-6. Brush Operating System
ITEM SPECIFICATION
4
Pump (Gear-Type): 72 LPM (19 GPM), 20684 kPa (207 bar, 3,000
psi)
Motor (Gerotor-Type): Direct Drive
Brush Core (Welded Steel): 25 cm x 2.13 m (8.375 in. x 7 ft. 6 in.) 10 in. ID
Brush Filler (Wafer-Type): 25 cm x 81 cm (10 in. x 32 in.)
Brush Filler (Tube-Type): 25 cm x 81 cm (8.5 in. x 32 in.)
Brush Cover (Steel): 160°, Full Length
Brush Speed: 200 RPM maximum, Variable w/Engine RPM
Brush Angle: 45°, Left or Right
Brush Down Pressure Control: Hydraulic, Fully Adjustable
Brush Watering System: Poly Tank, 1@ 284 liters (150 gallons),
Strainer, 12 Volt Diaphragm-Type Pump
Table 4-7. Cab Specifications
ITEM SPECIFICATION
ROPS Cab: OSHA & SAE Certified
Windshield Wiper (Front): 12 Volt, 2-Speed
Defroster Fan (Front): 12 Volt, Variable Speed
Seat: Padded with Seat Belt
Horn: 12 Volt, Automotive-Type
Back-up Alarm: 97 db +/- 4 db at 122 cm (4 ft.)
Air Conditioning: 6,448 Watt (22,000 Btu/Hr) Capacity
Heater: 8,793 Watt (30,000 Btu/Hr) Capacity
Lights: Turn Indicators, Tail Lights, Work Lights, Stop
Lights
Mirrors: West Coast
Instrumentation: Oil Pressure, Coolant Temperature, Fuel
Gauge, Voltmeter, Hourmeter, and Tachometer
Blaw-Knox Model CB-90 Broom 4-5
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TM
Component Location
ITEM CONTROL NAME TYPE FUNCTION
1 Heater Control Knob LEFT/RIGHT knob Clockwise rotation to adjust heat.
2 Blower Fan Control 4-Position knob Controls blower fan for heater and air conditioning.
3 Air Conditioning Control LEFT/RIGHT knob Clockwise rotation to control temperature.
5
Blaw-Knox Model CB-90 Broom 5-9
--- Page 6 ---
TM
Section 7
Maintenance
Page
Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
Routine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
Broom Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
Periodic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4
Periodic Maintenance Schedule . . . . . . . . . . . . . . . . . . . 7-4
Torque Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6
General Information . . . . . . . . . . . . . . . . . . . . . . . . . 7-6
Inch Fasteners. . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
Hydraulic Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
Full Torque Nut Coupling Installation . . . . . . . . . . . . . . . . . 7-9
Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-14
General Information . . . . . . . . . . . . . . . . . . . . . . . . . 7-14
Preparing The Broom For Maintenance . . . . . . . . . . . . . . . 7-14
Checks And Adjustments . . . . . . . . . . . . . . . . . . . . . . 7-14
Engine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-14
Cold Weather Starting . . . . . . . . . . . . . . . . . . . . . . . . 7-15
Engine Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-15
Fuel and Fluids . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-15
Air Intake System . . . . . . . . . . . . . . . . . . . . . . . . . . 7-16
Radiator and Coolant . . . . . . . . . . . . . . . . . . . . . . . . 7-17
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-17
Electrical Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-18
Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-19
Hydraulic System Maintenance . . . . . . . . . . . . . . . . . . . . . . . 7-19
Hydraulic Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-19
Blaw-Knox Model CB-90 Broom 7-1
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TM
Maintenance
Table 7-7 Torque Specifications For DIN 24, DIN 60, Table 7-8 Torque Specifications For 4-Bolt Flange
and Inverted Cone Style Coupling Terminations Connections
DIN 24, DIN 60, and Inverted Cone 4-Bolt Flanges
Size Torque Dash Size Bolt Size Torque
mm ft-Lb 1/16 Inch Inch ft-Lb
Light Series Heavy Min Max -8 0.31 17
Tube OD Series -12 0.38 26
Tube OD
-16 0.44 43
6 7 15
-20 0.50 65
8 15 26
-24 0.63 130
10 8 18 30
-32 0.75 220
12 10 22 33
1. Align faces and finger tighten bolts before
14 12 26 37
applying final torque in a pattern. The seal faces
15 14 30 52 must be parallel with even bolt tension to seal
16 30 52 properly.
18 20 44 74 2. Torque values apply to bolts which are plated or
coated in light engine oil.
22 25 59 89
3. Before assembly lubricate O-Ring with light oil
28 30 74 111
(SAE 10W or 20W).
38 74 162
Table 7-9 Torque Specifications For SAE Male
35 133 184
Flareless Assembly (MFA)
42 148 221
SAE Male Flareless Assembly (MFA)
After hand tight rotate nut one full turn (8 flats)
7
Blaw-Knox Model CB-90 Broom 7-11
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TM
Maintenance
4. Condensation that may build up in the hydraulic 2. Leaks on the suction side of the hydraulic system
system is capable of clogging the filter elements. are more difficult to find. This condition is serious
This can lead to insufficient hydraulic fluid at the since air or dirt introduced into the hydraulic sys-
pump which will degrade performance. Clogged tem causes rapid component wear and eventual
filter elements can damage the hydraulic pump failure. Some symptoms of suction leakage are:
and other system components. • Foaming of hydraulic oil
5. Warm the hydraulic system to 100° F (38° C) and • Sluggish hydraulic system operation
check filter indicators on the return filter and the • Unusual noise in hydraulic pump or motor
charge filter. The filters are located on the left side
of the broom. If the filter indicators are in the RED, • If a suction side leak is suspected, verify that all
the filter elements should be replaced. See Peri- reservoir connectors and fittings are properly
odic Maintenance Schedule on page 7-4. tightened.
NOTE: Use only genuine LB Performance re- • If the problem persists, replace the defective
placement parts. Other parts could be hose assembly or fitting.
substandard and cause hydraulic system
failure. The use of other than approved
filter elements will void the warranty on ! WARNING Temporary repairs to hydraulic
hydraulic components.
hoses will fail and can cause serious injury.
.
6. Drain and replace hydraulic oil and filter after the Never attempt to repair hydraulic hoses with
first 100 hours of service, and after every 500 tape, clamps, or cements.
hours of service or annually, whichever comes
first. Drain the hydraulic oil by removing the plug 3. The operator should inspect the broom during
(Figure 7-9, 6). For convenience, a customer sup- operation for hydraulic leaks which may only be
plied drain hose can be attached to drain fluid into noticeable while the unit is running.
a container.
7. The suction strainer (Figure 7-9, 7) should be
Pumps And Motors
removed and cleaned at the 500 hour service The hydraulic pump and motor generally require no
interval or whenever the hydraulic oil is changed. regularly scheduled maintenance. Frequent inspec-
tion for leaks will indicate the need for service of these
Hydraulic System Checks components.
Before each day’s use, inspect the Blaw-Knox Model
CB-90 Broom for hydraulic leaks. Check weekly to
Adjusting Priority Relief Valve
7
make sure that all hose fittings are secure and tight. The Priority Circuit on the hydraulic pump is set to
supply the power steering with approximately 4 GPM
! WARNING Hydraulic fluid under pressure will (15 LPM) of hydraulic flow. This flow goes to the steer-
pierce the skin and cause serious injury. Never ing circuit before any other circuit.
.
use your hand to locate hydraulic leaks, use a
The Priority Relief Valve controls the maximum op-
piece of wood or cardboard to locate leaks. If erating pressure for the power steering and brush lift
hydraulic oil has pierced the skin, get immediate and swing circuits. The Priority Relief Valve is located
medical attention. in the hydraulic pump attached to the rear of the
hydrostatic pump on the engine flywheel.
! WARNING Hydraulic fluid under pressure will
The following are signs that the Priority Relief Valve
pierce the skin and cause serious injury. Always
.
needs adjusting:
wear eye protection when inspecting for leaks in
• Total or partial loss of steering functions or hard
the hydraulic system.
steering
1. If leaking fluid is found, it is probably on the • Constant noise from hydraulic pump when using
pressure side of the hydraulic system. Find and steering or brush lift and swing
repair the leaking component before starting the
• Hydraulic oil overheating
broom.
If it becomes necessary to readjust the Priority Relief
Valve setting, follow these steps:
Blaw-Knox Model CB-90 Broom 7-21
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TM
Troubleshooting
SYMPTOM CAUSE REMEDY
Broom doesn’t move with engine Park brake engaged. Release park brake.
running, or moves in one direction Broom rotation control valve is by- Repair or replace relief valve
only. passing oil at low pressure. cartridge(s).
Damaged hydrostatic pump. Repair or replace hydrostatic pump.
Damaged hydrostatic motor. Repair or replace hydrostatic motor.
Broom jerks when operating in Fast movement of direction control Move handle slowly when changing
Forward or Reverse. handle. speed and/or direction.
Park brake not disengaged. Release park brake. Check for bind-
ing park brake cable(s).
Engine speed set too low. Run engine at higher RPM.
Low hydraulic fluid level. Fill reservoir with correct fluid until
visible in sight gauge.
Air leaking into hydraulic system. Tighten or replace hoses, fittings
and/or filter(s).
Hydrostatic pump is malfunctioning. Repair or replace pump.
Engine power output is low. Operating engine at high altitude. De-rate engine power output for
altitudes above 10,000 feet.
Air intake piping restricted. Remove restrictions.
Air cleaner element dirty. Clean or replace air cleaner ele-
ments.
Fuel suction line or filter restricted. Check fuel line for restrictions.
Replace fuel filter element(s).
Fuel return system restricted. Correct restricted fuel return system.
Fuel quality poor. Verify by operating with a known fuel
quality.
Fuel transfer pump malfunctioning. Replace fuel transfer pump. See
engine manufacturer’s manual.
8
Throttle improperly adjusted. Adjust throttle controls.
Injector malfunctioning. Replace injector. See engine manu-
facturer’s manual.
Engine won’t shut off. Electrical wiring fault supplying Repair wiring.
power to fuel solenoid when key is in
OFF position.
Faulty diode in engine wire harness Check diode wire connection and/or
at alternator. replace diode.
Injection pump fuel solenoid inopera- Check solenoid for defects or foreign
tive. material inhibiting proper operations.
Engine operating on fumes drawn Locate and isolate the source of
into air intake. fumes.
Low idle set too high. Set idle to specifications.
Blaw-Knox Model CB-90 Broom 8-3
--- Page 10 ---
TM
Schematics
Kubota Engine Shut Down - 1005563 Rev B
36352 36351
WHT A A WHT
ORG/BLK B B ORG/BLK
12 GA RED C C RED
GRN/YEL D D GRN/YEL
36163 36162
LT BLU A A LT BLU
GRN B B GRN BUZZER/LIGHT
C C 36150
BLU/RED D D BLU/RED INSTALLED BY
RED/BLK E E RED/BLK PRODUCTION
YEL/BLK F F YEL/BLK
WHT
GRN LEADS 2.50" LONG
BUZZ/LIGHT #10 RING
(+) (-) TERMINAL #10 RING
85 87a 87 GRN/YEL TERMINAL
RED
#10 RING #10 RING
86 30 TERMINAL TERMINAL
RED GREEN WHITE
BUSH BUTTON
982249
INSTALLED BY ZIP TIE RELAY BRACKET 18.00
36086 TO HARNESS 11.00 7.00
PRODUCTION
RELAY 984258
5.00 4.00
36352 36351
36162
9
36163
6.00 6.00
27.00
Figure 9-3
Blaw-Knox Model CB-90 Broom 9-7
--- Page 11 ---
TM
Schematics
Instrument Panel - 39140 Rev A (3 of 5)
NOTE: ROUTE WIRES AROUND THIS HOLE.
DO NOT CROSS OVER HOLE. LEAVE .25"
CLEARANCE BETWEEN HOLE AND ANY
WIRING.
L
16GA GREEN 16GA BRN/YEL
X
I
I
16GA BLUE/RED
S
S
L
L
30 85
87A
86
4
87
1 23
INSTALL HARENSS #2003116-2
BRING HARNESS OUT CENTER BOTTOM
OF PANEL AS SHOWN.
30 85
F
87A
GND
16GA YELLOW WORK LIGHTS
E