Pinguely-Haulotte HA20PX, Repair Manual

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Repair manual
21
3 -
SAFETY SYSTEM
3.1 - FUNCTIONS OF THE TURRET CABINET FUSES AND RELAYS
(see chap. 4, page 25)
3.2 - FUNCTION OF THE SAFETY SWITCHES
(see chap. 4, page 25)
KA2 Heat engine starting
KP1 Heat engine stopping
KT2 Acceleration of movements (electromotor)
KMG Mains supply
KM4 Electropump contactor
FU1–10 A Engine stop circuit fuse
FU3–80 A Accelerator circuit fuse
FU4–30 A General circuit fuse
FU5–3 A Fuse for circuit for controlling movements from turret
FU6–3 A Fuse for circuit for controlling movements from platform
FU7–20 A Solenoid valve supply circuit fuse
FU8–5 A Turret/platform control circuit fuse
FU9–20 A Accessories circuit fuse
FU10–3 A Circuit fuse
FU11–250 A Engine circuit fuse
SB1 Mushroom-headed emergency stop button (turret)
SB2 Mushroom-headed emergency stop button (platform)
SQ1
Tilt unit, prohibits by a cut, the arm lifting, boom raising, telescoping, pendular raising and trav-
el movements
SQ4 Tilt reset, if machine folded (arm)
SQ5 Overload 1st audible alarm. Threshold of 90% of maximum charge reached
SQ6 Overload 2nd alarm - Cut-out. Cuts all the movements on platform except basket rotation
B1 Air filter switch: Engine cut-out if air filter clogged
B2 Engine temperature switch: Engine cut-out if temperature too high
B3 Engine oil pressure switch: Engine cut-out if pressure insufficient
B4 Hydraulic oil temperature switch: audible warning if temperature too high