National Crane Published 03-18-2019 Control # 582-04 6-11
NBT30H-2 OPERATOR MANUAL MAINTENANCE CHECKLIST
Crane Operating Speeds
Rotation 360°......................................................................... 54 sec ±5
Boom up -10° to 80° .............................................................. 30 sec ± 5
Boom Down 80° to -10° ......................................................... 25 sec ± 5
Boom Extend/Retract 100 ft - (Angle 60°)
Extend .......................................................................... 70 sec ± 10
Retract........................................................................... 70 sec ± 10
Boom Extend/Retract 110 ft - (Angle 60°)
Extend .......................................................................... 80 sec ± 10
Retract........................................................................... 60 sec ± 10
Outrigger Speeds
Beam Extend-(Front)............................................................. 12 sec ± 3
Beam Extend-(Rear).............................................................. 6 sec ± 3
Beam Retract-(Front)............................................................. 10 sec ± 3
Beam Retract-(Rear) ............................................................. 6 sec ± 3
Jack Extend - (Front) ............................................................. 14 sec ± 3
Jack Extend - (Rear/SFO) ..................................................... 6 sec ± 3
Jack Retract - (Front)............................................................. 11 sec ± 3
Jack Retract-(Rear/SFO)....................................................... 6 sec ± 3
High Speed Hoist Performance (1 part line)
Layer Hoist Pull
lbs (kg) fpm (mpm)
1 5410 (2454) 199 (61)
2 4878 (3573) 220 (67)
3 4441 (2014) 242 (74)
4 4076 (1849) 264 (80)
5 3766 (1708) 285 (87)
NOTE: All ratings based on 34 gpm at 3500 psi (128.7 lpm at 24.1 MPa)
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