Service manual

30
FIGURE 17
LIQUID CRYSTAL DISPLAY (LCD)
1. Ensure that the power switch is OFF and that the machine is unplugged.
2. Detach the pressure control assembly (Fig. 12, Item 34) from the frame by unscrewing the eight
screws (Fig. 12, Item 35).
3. Disconnect the LCD lead from the the pressure control assembly.
5. Separate the LCD assembly from the frame by undoing the four screws (Fig. 17 Item 6)
6. Disassemble Items 1-6 (Fig 17)
7. Remove and replace LCD Display (Fig. 17 Item 3).
8. Reassemble in reverse order.
NOTE: Do not over tighten the screw and nuts (Fig 17, Item 1 & 6).
This can warp the LCD and damage it.
9. Perform "LCD Calibration Procedure". See page 25.
REPLACEMENT OF ELECTRICAL COMPONENTS (Cont)
FIGURE 17 PARTS LIST
ITEM NO. PART NO. DESCRIPTION
Nut (4)
Plastic Washer (4)
Display Board Ass'y
Spacer (4)
Window
Screw (4)
Frame
117-126
120-046
331-377
117-281
331-360
100-362
1
2
3
4
5
6
*
1
2
3
4
5
6
*
SUPPLEMENTAL 230 VOLT PARTS LIST
MODEL MOTOR & PART NO. BOARD
8 SERIES 1 HP - P.N. 301-058A P.N. 301-364-99
10/11 SERIES 1.25 HP - P.N. 301-255A P.N. 301-364-99