PAGE 1 - 18 SAFETY / GENERAL MARK IV HD J2 TAMPER
REVISED 10 - 2020 INFORMATION BULLETIN 5082505
1
1.8 Specifications
1.8.7 Air System
Operating Pressures:
Main System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 -105 PSI (6.89 - 7.24 bar)
Transmission Shift / Encoder Wheel
Workhead Locks / Jacks & Clamps Locks
Shadowboard Locks / Receiver Locks
Brake Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 PSI (5.17 bar)
Air Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 - 65 PSI (4.14 - 4.48 bar)
Index Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 PSI (4.14 bar)
Projector Buggy Locks . . . . . . . . . . . . . . . . . . . . . . . . . . 40 - 45 PSI (2.76 - 3.10 bar)
Shadowboard Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 - 30 PSI (1.03 - 2.07 bar)
Shadowboard Bias / Receiver Bias . . . . . . . . . . . . . . . . 40 - 60 PSI (2.76 - 4.14 bar)
Projector Buggy Bias Option . . . . . . . . . . . . . . . . . . . . . 15 - 25 PSI (1.03 - 1.72 bar)
Compressor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . up to 18.7 CFM (529.53 l/m)
direct-driven by engine
engine lubricated and cooled
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .air dryer, reservoir and drain valves
1.8.8 Hydraulic System
Operating Pressures:
P1 / P2 Pumps - Standby . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 PSI (20.68 bar)
P1 / P2 Pumps - Traction / Work Compensator Setting . . .3,300 PSI (227.52 bar)
P1 / P2 Pumps - Traction / Work Proportional Control . . . .2,700 PSI (186.16 bar)
P3 / P4 / P5 / P6 Pumps - Vibrators . . . . . . . . . . . . . . . . . .2,300 PSI (158.58 bar)
AC Pump - Air Conditioner . . . . . . . . . . . . . . . . . . . . . . . . .1,650 PSI (113.76 bar)
EM Pump - Emergency . . . . . . . . . . . . . . . . . . . . . . . . . . .2,500 PSI (172.37 bar)
Clamps - Open / Close . . . . . . . . . . . . . . . . . . . . . . . . . . . .3,000 PSI (206.85 bar)
Clamps - Bias . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 PSI (20.68 bar)
Liner - Left / Right . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2,000 PSI (137.89 bar)
Workhead - Down. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1,850 PSI (127.55 bar)
Workhead - Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5,000 PSI (344.74 bar)
Workhead - Squeeze . . . . . . . . . . . . . . . . . . . . . . 1,200 - 1,600 PSI (82.7 - 110.3 bar)
Workhead - Traverse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 PSI (20.68 bar)
Traction - Charge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 PSI (13.78 bar)
Reservoir - Working Capacity . . . . . . . . . . . . . . . . . . . . . . . 184 gallons (696.5 liters)
Other . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .auxiliary oil cooler, emergency pump
reservoir fill pump and filters
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