[. . . ] Hydraulic Hose: All main systems hoses are two wire braid rated at 9, 000 psi burst pressure; MSHA 2G flame resistant approved; all fittings JIC Sumping Cylinder: Four (4) 1. 5 in bore, double acting cylinders two per drilling assembly. Roof Bolter—SU-V470 Roof Bolter—SU-V470 Hydraulics (continued) Stab Foot Cylinder • Two (2) 4 in bore, double acting cylinders, one per drilling assembly. Center Section • Extra strength dual application joint welded from high strength steel with pivot pins; complete with horizontal self-aligning pivot thrust bearings. Boom Swing Cylinder • Two (2) 3. 5 in bore, double acting cylinders, one per drilling assembly. Steering Cylinder • Two (2) 4 in bore, double acting cylinders. Frame • Low profile with bends utilized where applicable to reduce the number of indeterminate stresses introduced by welding. Boom Feed Cylinder • Two (2) 6. 5 in bore, double acting cylinder on each boom with in line check valve, one per drilling assembly. Operator’s Drill Station Area 1. 1 in thick, hydraulically adjustable drill station canopy on each drilling assembly. 4. [. . . ] Storage tool tray on each boom for drill steel, starter steel, drill bits and etc. Vertical articulation function control. Drill Station Canopy Cylinder • Two (2) double stage 3. 5 in outer bore and 2. 25 in inner bore, double acting cylinder per drill station with pilot operated check valve, one per drilling assembly. Vertical Articulation Cylinder • Two (2) 6 in bore, double acting cylinders that vary the angle of approach and departure for the rear of the roof bolter from up to 15 degrees rear for improved terrain compensation in adverse conditions. Valve Banks • All valve banks are spring returned, bi-directional with main relief set at 2, 000 psi. One (1) steering valve bank controlled by means of a joy stick valve. 3. One (1) tram valve bank controlled by means of a joystick valve in operators compartment 6. One (1) inch tram valve bank at rear of operators side drilling assembly. Tram Station Area 1. Power fill function control. Electrical Start • Push buttons at tram and drill stations. Reservoir Fill System • Power hydraulic fill, allows hydraulic oil to be added to reservoir without hand pumping. Stop • Tape switch (panic strip) at tram and drill stations that de-energize electrical system and applies automatic brake. Manual • Two parts manuals. Roof Bolter Options (must choose) Controller Cover/Oil Level Switch Option: Oil Level Switch, Light & Low Oil Shutdown - above cover assembly with the addition of a low oil level switch that will electrically shut machine down before oil is dangerously low. Oil Filter Brand Option: Schroeder “Spin-On” Oil Filter — 7 micron return side filter. The filter is equipped with by-pass and external dirty filter indication. Blower Exhaust Location Option: Left Side, Operator’s Side - at rear of machine. Roof Bolter Accessories: • Pre-Duster Installation - remote tank with a 0. 4 cu. capacity that removes larger dust particles automatically, when stab cylinder is activated. [. . . ] Roof Bolter Accessories: • Pre-Duster Installation - remote tank with a 0. 4 cu. capacity that removes larger dust particles automatically, when stab cylinder is activated. [. . . ]