Maintenance - Nakanishi E4000 CONTROLLER Operation Manual

22 . MAINTENANCE

22 - 1 Cooling FAN
The FANS (80 Square Type and 40 Square Type) for CONTROLLER cooling are located on the inside of the
CONTROLLER.
FAN (80 Square Type) : Located on rear of the Control Panel inside of the CONTROLLER.
FAN (40 Square Type) : Located on the control board inside of the CONTROLLER.
22 - 2 FAN ( 80 Square Type) Replacing Method
DANGER
NAKANISHI warns all end-users not to replace the E4000 - FAN : FAN (80 Sqare Type) while the
Control Power is ON, or if there is power connected to the main power cord. Disconnect the main
power from its power source and release the supplied air to the AIR IN quick disconnect before
replacing the E4000 - FAN (80 Sqare Type). Not following these instructions may lead to serious
injury or death due to electric shock.
WARNING
Disassembly and assembly of the CONTROLLER should be for the purpose of replacing the FAN
(80 Square Type) only. Disassembly and assembly should be performed in accordance with this
Instruction Manual. Do not disassemble this CONTROLLER for any other reason.
CAUTION
When disassembling the E4000 CONTROLLER, note the loss of any removed screws. Account for
all screws when reassembling.
(1) Turn OFF the Main Power Switch of the CONTROLLER. Turn OFF the Power supply and Air supply to the
CONTROLLER.
(2) Remove the Mounting Screws (2pcs.) from the Case (Chassis) of the CONTROLLER (Fig. 37).
(3) Remove the Power Cord Round Terminal from the main power supply terminal.
Remove the Power Cord, Motor Cord, Air Hose, Protective Cover A, B and options etc. from the
CONTROLLER.
Case (Chassis)
96
The FAN (80 Square Type), can be replaced by the customer (Replace in accordance with
" 22 - 2 FAN (80 Square Type) Replacement Method ").
If a malfunction of the (40 Square Type) FAN should occur, immediate repair is necessary.
Return the CONTROLLER to NAKANISHI dealer service.
Remove
: Mounting Screws : Mounting Screws
Fig. 37
Remove
Case (Bonnet)
Fig. 38
: Munting Screws : Munting Screws