2-16
2
PERFORMANCE CRITERIA
SERVICE DATA
Travel speed (5 revolutions)
• Engine:
Maximum R. P. M.
• Hydraulic oil temp.:
50~60°C
• Measurement posture: Excavator body raised using
both hoe attachment and dozer blade.
• Set crawler belts in motion. Starting after one full revo-
lution, measure the time required for 5 revolutions. (To
measure speed after it has stabilized.)
Travel speed (10m)
• Engine:
Maximum R. P. M.
• Hydraulic oil temp.:
50~60°C
• Measurement posture: Travel posture
• Set excavator in motion. Starting after a distance of 5
meters, measure the time required to travel 10 meters.
Do this on level ground.
■
Travel posture
Fully extend the arm and bucket cylinders and adjust the
hoe attachment so that its lowest part is even with the ex-
cavator’s minimum ground clearance level. The hoe attach-
ment, of course, should be in a no-load state and the dozer
blade should not be touching the ground.
Straight-ahead travering
• Engine:
Maximum R. P. M.
• Hydraulic oil temp.:
50~60°C
• Measurement posture: Travel posture
• Starting after an approach of 5 meters, drive the excava-
tor in a turn for 10 meters, then measure the distance of
X (5 m point). Do this on level ground.
Содержание TB 250
Страница 1: ......
Страница 3: ...1 1 SAFETY 1 Safety alert symbol 1 2 Safety precautions 1 3 Cautions when working 1 9...
Страница 36: ...2 24 2 TIGHTENING TORQUE SERVICE DATA...
Страница 37: ...2 25 2 SERVICE DATA HYDRAULIC CIRCUIT DIAGRAM HYDRAULIC CIRCUIT DIAGRAM Equipped with options 1 2...
Страница 38: ...2 26 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with options 2 2...
Страница 39: ...2 27 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with angle blade and blade oat 1 2...
Страница 40: ...2 28 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with angle blade and blade oat 2 2...
Страница 41: ...2 29 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with high ow option 1 2...
Страница 42: ...2 30 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with high ow option 2 2...
Страница 43: ...2 31 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with high ow angle blade blade oat option 1 2...
Страница 44: ...2 32 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with high ow angle blade blade oat option 2 2...
Страница 46: ...2 34 2 ELECTRIC CIRCUIT DIAGRAM SERVICE DATA First auxiliary hydraulic piping with proportional control...
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Страница 59: ...2 46 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
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Страница 73: ...2 60 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA NAME STANDARD NO...
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Страница 92: ...3 11 3 CONTROL VALVE FUNCTION...
Страница 108: ...4 3 4 SERVICE STANDARDS DISASSEMBLY AND ASSEMBLY Clearance for pin and bushing...
Страница 130: ...4 25 4 UPPER FRAME DISASSEMBLY AND ASSEMBLY 15 Side frame R 16 Side frame L 17 Tool box 18 Cover 19 Bracket 20 Cover 2 2...
Страница 165: ...4 60 4 HYDRAULIC PUMP DISASSEMBLY AND ASSEMBLY f Remove the plug g Remove the spring and the ball...
Страница 267: ...4 162 4 SLEW MOTOR DISASSEMBLY AND ASSEMBLY Special tools Oil seal press tting jig A Collar installation jig B...
Страница 352: ...ENGINE 6 Machine model Mounted engine TB250 4TNV88...