Operator`s manual

5. Ladder will not a) Ladder overloaded. a) Reduce torque on the

lower. end of the ladder by retracting or

reducing weight.

6. Ladder will not a) Ladder inclination a) Increase elevation

extend. angle below minimum before extending.

limit.

b) Ladder is b) Reduce torque on the

overloaded. end of the ladder by

reducing the load.

c) Defective full c) Replace micro switch.

extension micro switch.

d) Manual by-pass d) Close by-pass valve

valve is open. (see Figure 5-2, number 17).

7. Ladder will not a) Locking Pawls are a) Ensure Locking Pawl

retract. engaged. Lever is in the disengaged position

and all locking pawls are disengaged.

b) Ladder inclination b) Increase ladder

angle too low. elevation to reduce torque.

c) Ladder overloaded. c) Reduce torque on the end of the

ladder by reducing the load.