MAINTENANCE OF M939 SERIES VEHICLES - OD1661 - LESSON 1/TASK 1
Equivalent Controls - Boom.
Key item numbers 1 through 11 and their function
pertain to figures 14 through 17 on pages 24
(1) Shipper Brace Retaining Bracket (figure 14), holds shipper
braces (3) when not in use.
(2) Floodlights, are used
individual on/off switches.
MEDIUM WRECKER - CONTROLS AND
Shipper Brace Assemblies, support shipper and boom.
(4) Frame Tube, provides storage space for outriggers (5) when not
Outriggers, provide stabilization during crane operation.