PAES 109
self-propelled machine having a single axle designed primarily to pull and propel trailed or
mounted agricultural implements and machinery
walking-type agricultural tractor
capable of pulling various kinds of implements
pull type
At least ISO chain number 10A-1 (______) shall be used for the chain
and sprocket transmission system.
ANSI chain number 50
The handle bar shall be made of _________ with a minimum
diameter of 25 mm.
Black Iron (BI) pipe (schedule 40)
The handle bar shall be made of Black Iron (BI) pipe (schedule 40) with a minimum
diameter of _____.
25 mm
This shall be accessible to the operator’s right-hand side of the handle bar.
throttle lever
For this type, the throttle lever is pushed forward to increase engine speed and pulled rearward to decrease engine speed.
vertical type
For this type, the throttle lever is pulled to the left to increase engine speed and to the right to decrease engine speed
horizontal type
This shall be accessible to the operator’s-left hand side of the handle bar.
Main clutch lever
the lever shall be pushed forward to start the forward motion of the tractor and shall be pulled rearward to stop the tractor. An over-center linkage shall lock the lever in the forward engaged position.
vertical lever
the lever shall be pushed upward to start the forward motion of the tractor and shall be pulled downward to stop the tractor. A lock shall be provided to hold the lever in the upward engaged position.
horizontal lever
The peak transmission efficiency of the tractor shall be at least ___
85%
The noise emitted by the tractor measured 50 mm away from the operator’s ear level shall not be more than _____ (A).
92 db