washers shall be provided as required to ensure a clear
view of the boom tip and load at all times.
10.2.3 Doors
All cab or enclosure doors (whether of sliding or swinging type) shall be adequately restrained from inadvertent
opening or closing while the machine is in operation. The door adjacent to the operator, if of the sliding type, shall
slide rearward to open and, if the swinging type, shall open outward. A clear passageway shall be provided to the exit
door nearest the operator’s station.
10.2.4 Cab Access
Suitable hand holds or steps shall be provided for access to and exit from the operator’s cab or enclosure, where
needed. Handholds shall be provided in accordance with ASSE A1264.1.
Table 21—Two-Lever Crane Control Function (Option 2)
Control Operation
Swing Control
Push to the left to swing left
Center (neutral) to free swing
Push to the right to reverse action or to swing right
Main Hoist
Center (neutral) to hold load
Push forward to lower
Boom Control
Pull rearward to raise boom.
Center (neutral) to hold boom position
Push forward to lower boom
NOTE When separate main and whip hoists are provided, a selector switch for either
may be fitted adjacent to the right hand control lever. Selection of “auxiliary” or “main”
shall be possible only when both levers are in their neutral position.
Figure 11—Basic Two-Lever Crane Control Diagram (Option 2)
As viewed from operator's seat