MEGA Corp. MES34-OPS-1 - Manual (Page 8)

2-1
MES34-OPS-1
21 Feb 2014
SECTION 2
System Description
Contents
DESCRIPTION
The MEGA 34 cubic yard elevating scraper (MES34) is
a high production unit, designed for heavy duty
continuous load/haul/spread operations. It is capable
of performing thin, precise lifts as well as heavy
excavation with little support equipment.
This new scraper bowl is combined with a current-
production 631G scraper tractor and wheel groups to
provide the latest in power train, operator comfort,
electronic controls and emissions compliance. The
scraper bowl assembly design has been changed
from previously fielded systems to provide increased
reliability in severe duty applications.
All scraper bowl assembly hydraulics, brakes,
electrical, controls, indicating and warning systems
are integrated into the existing 631G tractor control
groups.
The scraper bowl assembly is comprised of a scraper
bowl, rotating floor, elevator, rear bogie, wheel
groups and a draft frame assembly.
SCRAPER BOWL
The scraper bowl has
a 34 cubic yard/26
cubic meter heaped
capacity for haulage
and an adjustable full
width cutting edge
for precise cutting
and heavy excavating.
The bowl cutting
edge is designed to
support a variety of Caterpillar Ground-Engaging
Tools (GET).
The scraper bowl utilizes a
cellular design in its
construction to add strength
and dent resistance to the bowl
sides. The cellular side wall
construction also provides for
mounting of several of the
moving and stationary bowl
components. These include the
rotating floor, elevator frame
mount arms, gooseneck draft
arm trunnions, bowl lift
cylinders, as well as rear bogie
assembly. Provisions are also available for optional
wear plates that increase bowl service life.
All hydraulic hoses and electrical cables for the rear
bogie functions are routed inside the right bowl wall
to the front of the bowl to eliminate the need for
component shielding. Rubber shrouds are installed
on the outer side walls to prevent wedging of
material between draft arms and outer bowl walls, in
turn protecting draft arms and trunnion ball mounts
from cracking.
Description .........................................................................2-1
Scraper Bowl ......................................................................2-1
Rotating Floor....................................................................2-2
Elevator Assembly............................................................2-2
Rear Bogie Assembly ......................................................2-3 Draft Frame Assembly....................................................2-3
Electrical System ..............................................................2-4
Hydraulic System .............................................................2-4
Implement Joystick .........................................................2-5
Rear Brake System ...........................................................2-6