Hitachi H 60MA Repair Manual page 8

• Wiring of control circuit ass'y
Put two internal wires of the Stator Ass'y <68> and an internal wire of the Internal Wire <87> (grounding
wire) through the 9
the two tabs at the upper portion of the Controller Circuit <86> and insert the Internal Wire <87> into the
lower tab. The upper two tabs have no relation in connecting position. Put the two internal wires of the
Controller Circuit <86> through the 14
to the dial hole, and then put the Controller Circuit <86> in Case (B) <85>. Putting the two internal wires
of the Controller Circuit <86> through the handle side of the Sleeve <81>, put the Controller Circuit <86>
and Case (B) <85> in the Housing Ass'y <72>. Perform wiring according to the wiring diagram as shown
in Fig. 8. At this time, make sure that the two internal wires of the Controller Circuit <86> are held with
the Internal Wire Holder <82>.
1-1-6. Insulation tests
On completion of disassembly and repair, measure the insulation resistance and dielectric strength.
Insulation resistance:
Dielectric strength:
1-1-7. No-load current value
After no-load operation for 30 minutes, the no-load current value should be as follows:
x
10 hole of Case (B) <85>. Insert the two internal wires of the Stator Ass'y <68> into
x
16 hole at the upper portion of Case (B) <85>. Position the dial
7 M Ω or more with DC 500 V Megohm Tester
AC 4000 V/1 minute, with no abnormalities
AC 2500 V/1 minute, with no abnormalities
Voltage (V)
Current (A) (Max.)
• • •
• • •
110 220 230
7.5 7.2 3.6
--- 8 ---
220 V --- 240 V
(and 110 V for U.K. products)
110 V --- 127 V
(except U.K. products)
240
3.5