TM 9-2320-361-10
2-32. OPERATION OF EARTH BORING AND POLESETTING
MAINTENANCE TRUCKS (Contd)
(2)
To drag pole (11) with derrick (4) raised:
(a)
Pull cable (10) out from winch (8) (refer to d, of this para.) run it under
and around strap sheave (13), and over and around derrick sheave (12).
sheave (9) and attach to pole (11).
(b)
Raise derrick (4) (refer to c. of this para.) run cable (10) around snatch
(3)
Dragging with derrick (4) raised or lowered:
(a)
Operate winch (8) (refer to d. of this para.) to pull pole (11), stopping
when pole (11) reaches desired location.
(b)
Remove cable (10) from pole (11).
(4)
To secure from dragging:
(a)
Lower derrick (4) if raised (refer to c. of this para.).
(b)
Remove cable (10) from sheaves (9), (12), and (13), as necessary, and
reel in cable (10) (refer to d. of this para.).
i. Setting Poles.
Check derrick tube for damage before using. A tube bend
or flat spot may cause collapse under load, resulting in
injury or death to personnel.
All personnel must stand clear of derrick during hoisting
operations. A snapped cable, shifting, or swinging load may
cause injury or death to personnel.
CAUTION
Do not exceed load limits of derrick or damage to equipment
may result.
2-175
WARNING