Pacific A5A Railcar Operating, Maintenance And Parts Manual - page 3
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CONSTRUCTION
EQUIPMENT COMPANY
OPERATORS
AND
MAINTENANCE MANUAl
DESCR IPT ION
INTRODUCTION
THE FAIRMONT
A5A
MEDIUM DUTY GANG CAR IS EQUIPPED WITH AN AUTOMOTIVE ENGINE
AND
3
SPEED AUTOMATIC GEAR BOX.
IT IS DESIGNED TO CARRY UP TO
8
MEN AND
TO TOW TRAI LERS.
FRAME
THE FRAME CONSISTS O F STRUCTURA L STEE L MEMBERS REINFORCED WITH GUSSET
P LATES TO MAINTAIN ALIGNMENT.
STEEL RAIL SKIDS ARE FITTED TO PROTECT THE
BRAKE RIGGING AND TO AID IN EMERGENCY SET-OFFS.
EACH END OF THE FRAME HAS
A STEE L LIFT TUBE, AND AT BOTH ENDS A STEE L DRAWBAR IS ANCHORED TO THE FRAME
AND THE LIFT TUBE.
AXLES
THE DIFFERENTIA L FRONT AXLE ALLOWS EACH WHEE L AND AXLE SECTION TO TURN
INDEPENDENT OF THE OTHER.
THIS GIVES SAFE TRACKING ON-CURVES AND MAKES
SET-OFFS EASIER.
THE SING LE PIECE REAR AXLE INCORPORATES A FU L LY
ENCLOSED DIRECTIONA L GEAR BOX, WHICH AL LOWS THE ENGINE TRANSMISSION SPEEDS
TO BE USED FOR EITHER FORWARD OR REVERSE TRAVEL.
AXLE BEAR INGS
.·f"
DOUBLE ROW TAPER RO LLER BEARINGS IN DUST PROOF CASINGS ARE USED AT EACH END.
GREASE LUBRICATION IS STANDARD.
CONSTRUCTION IS SUCH THAT LATERA L THRUST
IS TRANSMITTED DIRECT L Y FROM THE WHEEL HUBS TO THE BEARING CONE, E LIMINATING
CONVENTIONA L THRUST C O L LARS.
THE AX LE BEARING CASTINGS CAN BE A D JUSTED
LATERA L LY FOR AX LE END PLA
.
AND A L IGNMENT.
W HEELS
16''
DIAMETER DEMOUNTABLE WHEELS ARE FITTED.
THE WHEE LS CAN BE REPLACED IN
A FEW MINUTES WITHOUT INTERFERING WITH THE HUB WHICH REMAINS ON THE AX LE, THUS
CONSERVING THE ORIGINAL TRACK GAUGE.
E LECTRICA L LY INSU LATED FROM THE FRAME.
ENG INE AND GEAR BOX
ALL WHEELS ARE IDENTICA L AND
A
6
CY LINDER
HOLDEN
ENGINE WITH STANDARD TRIMATIC GEAR BOX IS FITTED.
TRANSM ISS ION
THE ENGINE TRANSMISSION IS CONNECTED TO THE DIRECTIONA L GEAR BOX ON
AXLE BY MEANS OF A PROPE L LER SHAFT, INCORPORATING UNIVERSAL JOINTS.
FUL LY
ENCLOSED DIRECTIONA L GEAR BOX CONTAINS A PINION GEAR AND TWO
THE REAR
THE
LARGE
BEVE L GEARS.
THE BEVE L GEARS ARE MOUNTED ON TAPER R O L LER BEARINGS AND .RUN
IN OIL.
A C LUTCH ENSURES SMOOTH SHIFTING FROM ONE DIRECTIONA L POSITION TO·
THE O THER, WHEN OPERATED BY A LEVER BE LOW THE HINGED ENGINE COVER.