Graco Reactor A-25 Repair Parts page 30
Air and hydraulic, heated, plural component proportioners
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Also See for Reactor A-25:
- Instructions manual (64 pages) ,
- Repair parts (60 pages) ,
- Operation (40 pages)
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Transformer Primary Check
1. Ensure that all harnesses, cables, and connectors
are properly connected. Connect hose.
2. Connect power supply. Turn main power ON
.
3. Set hose heat target temperature below current
hose temperature.
4. Turn on
heat zone by pressing
WARNING
Read warnings, page 8. Step 5 measures line voltage
and should be done by a qualified electrician. If work is
not performed properly it may cause electric shock or
other serious injury.
5. See F
. 10, Detail A. Measure voltage across PA
IG
and PC on transformer terminal block (B). Measure-
ment should be line voltage. If not, replace tempera-
ture control board, page 20.
30
Transformer Secondary Check
1. Ensure that all harnesses, cables, and connectors
are properly connected. Connect hose.
2. Connect power supply. Turn main power ON
.
3. Set hose heat target temperature below current
hose temperature.
4. Turn on
.
WARNING
Read warnings, page 8. Step 5 measures line voltage
and should be done by a qualified electrician. If work is
not performed properly it may cause electric shock or
other serious injury.
5. See F
. 10, Detail B. Measure voltage across trans-
IG
former hose tap (R) you are using and top terminal
(T4) on 50A hose circuit breaker (806). See T
for readings. If reading is correct, replace tempera-
ture control board, page 20. If reading is wrong,
replace transformer, page 31.
Table 4: Transformer Voltage Readings
Transformer Tap
heat zone by pressing
Reading (VAC)
50'
20
100'
34
150'
48
200'
62
250'
76
300'
90
Repair
.
4
ABLE
309813B
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