GBM 48 Series Jacking Frame0 pages

Thrust Frame - 48 Series

4840: Part No. FA48500F, 4830; Part No. FA40037F

• Designed To Work In 156" Minimum ID Or Trenchbox Shafts •

• Independent Jacking & Rotation Operation •

• Capable Of Installing Pipe up to 48" OD •

FEATURES

• Assembly consists of the thrust frame, fluid swivel with alignment adapter, make up tool and wrench set.

• Two speed jacking (thrust) advancement control (100 ton [fast], 265 ton [slow]).

• Three speed hydraulic operated rotation control (23, 34 and 50 rpm).

• Dual rotation pressure control (0 to 10,500 ft-lbs, 0 to 26,000 ft-lbs).

• Hydraulic pressure gauges for monitoring jacking, auger rotation, and cutter bit system pressures.

• Quick coupler connections with lock for easy and secure hydraulic hose installation.

• Dual motor travel function for ease of advancing gear box along the frame.

• Jacking functions 0 to 26 gpm @ 6,000 psi. • Rotation functions 0 to 40 or 60 gpm @ 5,000 psi.

• Independent control for hydraulic make-up tool.

• Hydraulic latching mechanism to advance and retract thrust block assembly.

• Leveling screws for ease of frame height adjustment and leveling.

• Frame skids available; 14', 10', 2' and 12". Combinations of frames can be used for various sized shafts.

• Works with existing GBM tooling (240A/308A/339A/4812A).

• Optional Powered Cutter Head (PCH) hydraulic control package available.

• Thrust frame is equipped with three lift eyes so it can be repositioned 180° without realigning frame.

• Dirt buckets available in 16.5 Cu-Ft and 30 Cu-Ft capacities.

SPECIFICATIONS

Dimensions w/14' Frame(width x length x height)

.....77.25 x 167.75 x 67 in (1,962 x 4,261 x 1,702 mm)

Weight w/14' Frame (approx). 13,000 lbs. (5,897 kg)

Latching Position On Center .... 12 in. (305 mm)

Cylinder Stroke

Standard .......................... 40 in. (1,016 mm)

Optional.............................. 30 in. (762 mm)

Operating Pressure (Max.)

Jacking .....................6,000 psi ( 41,369 kPa)

Rotation....................5,000 psi ( 34,474 kPa)

GBM_48 Series, FA40037F/FA48500F

Elevation* ...... 37.5 to 41 in. (953 to 1,041 mm)

Operating Grade (Max.)...............................10%

Rotational Torque (Low/High)

.....10,500/26,000 ft-lbs (14,236/36,251 N-m)

Jacking Force ....... 100/265 Ton (91/240 mt)

Pull Back Force ................. 100 Ton (91 mt)

Hydraulic Motor Speed (Rotation)

.............................................0 - 23/34/50 rpm

Shaft Installation (minimum)......... 13 ft (4.0 m)

* From shaft floor to drive center