LOADER SPECIFICATIONS (Cont'd)
HYDRAULIC
SYSTEM
Hydraulic Pump
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Pump Capacity . .
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System
Relief Pressure . . .
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Filter
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Type of
Fluid
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Hydraulic Cylinders
Bore Diameter:
Lift
Cylinder (2)
Tilt Cylinder (1)
Rod
Diameter:
Lift
Cylinder (2)
Tilt Cylinder (1)
Stroke:
Lift
Cylinder (2)
Tilt Cylinder (1)
Control Valve .
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Fluid Lines
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Hydraulic Function Time:
Raise Lift Arms to Maximum Height
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Lower Lift Arms from Maximum Height .
Move Bucket to Dump Position
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Move Bucket to Retracted Position
ELECTRICAL
Alternator
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Battery
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Starter
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DRIVE SYSTEM
Transmission
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Final Drive .
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Total Engine to Wheel Reduction
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CAPACITIES
Cooling System
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Fuel .
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Engine
Oil W/Filter
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Hydraulic/Hydrostatic System
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Chaincase Reservoir .
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TIRES
Standard
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MACHINE WEIGHT
(without attachment)
Shipping
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Floor Pressure . . .
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Revised Sept. 90
Engine driven vane type
11
GPM (42
Umin
.) @ 2850 RPM
2200-2400 PSI (15169-16548) PSI @ Quick Couplers
Replaceable #3 micron paper element in charge line
Use Melroe hydrauliclhydrostatic transmission fluid (PIN 6563328
).
If
this fluid is not available, use
10W-30
or 1 OW-40 SAE motor oil.
Use Class SE of SF motor oil
(5W-30
at temperatures below 10°F [23°C)).
Doubleacting
2.00(51)
3.
25(83)
1.25 (32)
1.50 (32)
25.00(635)
14.
5(368)
4-spool
, open center type, Wlfloat detent on lift, detent on auxiliary
SAE standard full flow tubes, hoses & fittings
3.5
Seconds
2.7 Seconds
2.7 Seconds
2.3 Seconds
Belt drive, 55
amps
. Open (18 amp. enclosed - 743
OS)
12 volt, 625 cold crank amps. @ O°F
(-17
.8°C) 170 min. reserve capacity
12 volt, gear drive
Tandem hydro. pumps driving 2 fully reversing hydro. motors
Gear reduction
& #80 HS roller chain & sprockets
in sealed chaincase with oil lubrication
40:1
Air Cooled
13 gals.
(49L)
4 qts. (3,8
L)
6 gals. (22,7
L)
(Includes 3.5 gals [13,2
L)
in reservoir)
32 qts.
(30,3
L)
7:00 x 15,
6-Ply
Rating, Nylon
W/Bar
Lug Tread
42401bs. (1923 kg)
See Floor Pressure chart in the Engineering Data Section
-SA-2-
741,742,
743 & 743DS Bobcat Loader
Service Manual