BRAKE
Brake
302
M5.0-1055-004
02 Rev. 2/09
Releasing Parking Brake Using
Truck Battery
Battery must be present in truck for this procedure.
• Key truck OFF, disconnect battery and open the
main desk top cover.
• Disconnect connector CA210 (labeled Drive) lo-
cated underneath the main desk top on top of the
counterweight.
• Connect Plug PC211 (labeled TOW) to JC 210.
Lower the desk top cover.
• Connect battery.
• Once the truck is in an area intended for mainte-
nance raise desk top and disconnect JC210 from
PC211 and reconnect JC210 and PC210 to return
truck to normal braking configuration. Close desk
top.
• If truck is not returned to normal braking configura-
tion after towing, then the truck should remain
locked out and tagged accordingly.
Releasing Parking Brake Using
External Power Source
•
Key truck OFF, disconnect battery and open the
main desk top cover.
• Disconnect connector CA210 (labeled Drive) lo-
cated underneath the main desk top on top of the
counterweight.
• Pull plug JC210 and the harness into the operator
compartment.
• Using brake release harness (139956-002), con-
nect an external power source to the female con-
nector. The parking brakes will release.
The external power source should only supply the volt-
age that is stated on the wire harness (139956-002).
• Once the truck is in an area intended for mainte-
nance disconnect the external power source, raise
desk top and reconnect JC210 and PC210 con-
nectors to normal braking configuration and lower
desk top.
• If truck is not returned to normal braking configura-
tion after towing, then the truck should remain
locked out and tagged accordingly.
Crown 2007 PF15692-4 Rev. 2/09
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