b. Tabulated Data.
(1) End Item.
Manufacturer ....................... Joy Mfg. Co.
Model
....................... RAM-MS-5/450A-DR
Type
....................... Track mounted, percussion
drill
Serial Numbers....................
Total Horsepower ................ 23 HP (horsepower)
(2) Percussion Drill Engine.
Manufacturer ....................... Joy Mfg. Co.
Model 450
....................... 450A-DR
Type
....................... Dual
rotation,
percussion
type
Bore
....................... 4 1/2in. (inch)
Stroke
....................... 3 3/8 in.
Striking Bar
....................... Two lug
Drill Steel Size ..................... 1 1/2 in.
Hole Size Range.................. 2 1/2 to 3 1/2 in.
Air Pressure Used ............... 90 P.s.i. (pounds per square
inch)
Air Drill only (Capacity) ........ 320 c.f.m. (cubic feet per
minute)
Air Drill and Blow (Capacity) 580 c.f.m.
Rifle Bar Rotation ................ 40, upstroke
Hose Sizes:
Drill
....................... 1 1/2 in.
Blow1 in.
Rev. Rotation.......... 3/4 in.
(3) Transmission.
Manufacturer ....................... Joy Mfg. Co.
Part No.
....................... 700310-1116
Type
....................... Planetary Gear
Gear Reduction ................... 35:1
(4) Tramming Motors.
Manufacturer ....................... Joy Mfg. Co.
Part Number ....................... 502020-60
Type
....................... Piston air, 5 cylinder
Horsepower ....................... 11 HP (horsepower)
Speed
....................... 150 f.p.m. (feet per minute)
(5) Hydraulic Cylinders.
(a) Boom Lift Cylinder.
Manufacturer ....................... Benton Harbor
Part Number ....................... 501002-329
(b) Boom Swing Cylinder.
Manufacturer ....................... Benton Harbor
Part Number ....................... 501002-340
(c) Feed Tilt Cylinder.
Manufacturer ....................... Benton Harbor
Part Number ....................... 501002-316
(d) Feed Swing Cylinder.
Manufacturer ....................... Benton Harbor
Part Number ....................... 501002-312
(e) Feed Extension
Manufacturer ....................... Benton Harbor
Part Number 501002-257
(6) Hydraulic Valve.
Manufacturer ....................... Vickers, Inc.
Part Number ....................... 501029-77
Type
....................... Closed Center, 5 spool
Main Relief Valve Setting .2,700 p.s.i.
(7) Hydraulic Pump.
Manufacturer ....................... Vickers, Inc.
Part Number ....................... 501083-29
Type
....................... Vane
(8) Hydraulic Oil Filter.
Manufacturer ....................... Vickers, Inc.
Part Number ....................... 501072-20
Type
....................... Spin on (10 micron)
(9) Air Motor (Pump Drive).
Manufacturer ....................... Joy Mfg. Co.
Part Number ....................... 501023-12
Type
....................... Vane
(10) Air Motor (Feed Drive).
Manufacturer ....................... Joy Mfg. Co.
Part Number ....................... 501015
Type
....................... Piston air.
(11) Pressure Regulator.
Manufacturer ....................... Norgens, Inc.
Part Number ....................... 501046-5
Type
....................... Relieving
(12) Feed Transmission.
Manufacturer ....................... Joy Mfg. Co.
Part Number ....................... 501005-50
Type
....................... Spur Gear
(13) Air Control Valve.
Manufacturer ....................... Joy Mfg. Co.
Part Number ....................... 501052-42
Type
....................... Plug
(14) Injection Oiler.
Manufacturer ....................... Joy Mfg. Co.
Part Number ....................... 501003-26
Type
....................... Venturi
(15) Capacities.
Rock Drill Oil ....................... 5 gal. (gallons)
Hydraulic Oil ....................... 13 gal.
Tram Transmissions (2)...... 1 qt.(quart) each section,
each transmission
Tram Motors (2) .................. 2 qt. Each motor
(16) Adjustment Data.
Feed Chain
....................... Slight sag in chain at all
times
Crawler Tracks .................... 1 in. Depression at midpoint
Injector Oiler ....................... Light film of oil striking bar
shank
Pressure Regulator ............. 65 p.s.i.
1-4