Case CX800 Tier 3, Service Manual

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1002-13
Lep 9-94710NA Issued 06-06
Digging force (New JIS)
Bucket digging force (Standard power boost)
Standard ................................................................................................................................... 430 kN (96667 lbf)
Power boost ............................................................................................................................ 470 kN (105660 lbf)
Arm (dipper) digging force (Standard boom specifications)
Standard
2.98 m arm ........................................................................................................................... 317 kN (71264 lbf)
Power boost
2.98 m arm ........................................................................................................................... 347 kN (78008 lbf)
Swing unit
Swing circle; swing bearing type (with internal gears)
Swing hydraulic motor (2); fixed displacement piston motor with parking brake and reversal prevention valve
Displacement ...............................................................................................................210.1 cm
3
(12.82 cu in)/rev
Operating pressure...............................................................................................................26.5 MPa (3843.5 psi)
Operating flow .....................................................................................................................257 L/min (67.89 gpm)
Brake torque..................................................................................................1161 to 1504 N m (856 to 1109 lb-ft)
Brake off pressure .................................................................................................. 2.6 MPa (377.09 psi) less than
Relief set pressure ............................................... 25.6 to 26.5 MPa (3712 to 3843 psi) at 250 L/min (66.04 gpm)
Reduction gears, planetary gear 2-stage reduction system
Reduction ratio .............................................................................................................................................27.143
Swing parking brake; mechanical lock (operational lever linkage type)
Swing lock; mechanical lock (swing lock switch linkage type
Travel lower body
Travel hydraulic motor (2); variable displacement piston motor, automatic 2-speed switch-over with parking brake
Displacement .........................................................................................337.2 / 228.6 cm
3
(20.57/13.95 cu in)/rev
Operating pressure..................................................................................................................34.3 MPa (4975 psi)
Operating flow ...................................................................................................................500 L/min (132.08 gpm)
Brake torque................................................................ 1120 N•m (826.06 Ib-ft) or over (excluding reduction gear)
Relief set pressure .......................................................................... 35.3 MPa (5120 psi) at 40 L/min (10.56 gpm)
2-speed control pressure ................................................................................................. 25.5 ± 1 MPa (3698 psi)
Reduction gears; planetary gear 3-stage reduction system
Reduction ratio .............................................................................................................................................94.358
Travel brake; hydraulic lock
Parking brake; mechanical lock (travel lever linkage type)
Track shoe
Model; assembly-type double grouser shoe
Number of shoes (per side).................................................................................................................................51
Shoe width
Standard ................................................................................................................................750 mm (29.52 in)
Optional.................................................................................................. 650 mm (25.59 in), 900 mm (35.43 in)
Grouser height ...............................................................................................................................50 mm (1.96 in)
Link pitch ...............................................................................................................................260.35 mm (10.24 in)
Roller
Number of upper rollers (per side) .......................................................................................................................3
Number of lower rollers (per side) ........................................................................................................................9
Track belt tension adjuster; grease cylinder type (with cushion spring)
mounting length of spring .........................................................................................................1310 mm (51.57 in)