Contents - Boom LTM 1200Outline – boom 2Outline - telescopic mechanism 4Outline - energy transmission chains 6Components - energy transmission chain 7

Description of telescoping and emergency operationOutline, operating and control elements (Fig. 1) 9Outline, gripper interlocking positions (Fig. 2) 10Outline, end position switches (Fig. 3) 11Outline, limit switches with pilot indication 12Function flow during telescoping out/in 13Illustration of emergency operation (Fig. 4/5) 14Emergency operation, interlocking/unlocking 15Telescopic sections I to IV, telescoping out/in 17Length programs in guiding system 18Sequence of telescoping “in" (also during emergency operation) 19Sequence of telescoping “in", only from series 14 21Sequence of telescoping “in", only from series 17 22Emergency operation - telescoping “in” 23Indication - luffing "down" boom during TA operation 24Circuit diagram - electrical equipment, boom 25