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© 2001 Robinair, SPX Corporation
16
RECOVER
RECOVER
VACUUM
VACUUM
CLOSED
CLOSED
RECOVER
RECOVER
VACUUM
VACUUM
CLOSED
CLOSED
VAC-CHARGE
VAC-CHARGE
ENTER
ENTER
R-134A
R-134A
R-134A
R-134A
in Hg
in Hg
VAC
VAC
psi
psi
bar
bar
kPa
kPa
psi
psi
bar
bar
kPa
kPa
RECOVER
RECOVER
CHARGE
CHARGE
OIL INJECT
OIL INJECT
0
0
0
0
3
3
0
0
0
0
5
5
4
4
0
0
0
0
2
2
0
0
0
0
0
0
5
5
0
0
0
0
4
4
3
3
5
5
4
4
7
7
CLEAR
CLEAR
MENU
MENU
8
8
0
0
1
1
5
5
2
2
VACUUM
VACUUM
START
START
I
0
F1
F1
9
9
6
6
3
3
CHARGE
CHARGE
STOP
STOP
0
0
0
0
2
2
0
0
0
0
0
0
1
1
0
0
3
3
0
0
2
2
1
1
0
0
0
0
4
4
7
7
5
5
0
0
2
2
3
3
0
0
R
R
5
5
3
3
0
0
0
0
4
4
0
0
0
0
2
2
8
8
3
3
2
2
1
1
0
0
3
3
0
0
4
4
0
0
4
4
0
0
8
8
2
2
1
1
0
0
D
D
R
R
A
A
T
T
E
E
0
0
8
8
0
0
1
1
1
1
0
0
0
0
0
0
0
0
8
8
7
7
6
6
0
0
0
0
0
0
5
5
6
6
0
0
7
7
0
0
0
0
1
1
0
0
0
0
9
9
0
0
1
1
0
0
5
5
5
5
1
1
0
0
0
0
1
1
5
5
0
0
0
0
0
0
0
0
0
0
0
0
5
5
0
0
0
0
1
1
0
0
5
5
0
0
2
2
1
1
0
0
5
5
0
0
0
0
1
1
3
3
0
0
0
0
5
5
0
0
4
4
0
0
0
0
2
2
0
0
5
5
0
0
2
2
0
0
3
3
0
0
6
6
0
0
2
2
5
5
0
0
HIGH
HIGH
3
3
2
2
1
1
60
60
80
80
20
20
40
40
12
12
220
220
7
7
5
5
4
4
6
6
200
200
180
180
160
160
120
120
140
140
100
100
11
11
9
9
8
8
10
10
320
320
340
340
280
280
300
300
260
260
240
240
OUNCES
OUNCES
360
360
Operating Instructions
REPLENISHING A/C SYSTEM OIL
CAUTION! To prevent air from entering the A/C system, never let the
oil level drop below the pickup tube while charging or replenishing.
Before charging the A/C system, you must replenish any oil removed from the A/C
system during the recovery process. Charge only the amount of oil that was
removed from the A/C system during recovery. Check the oil drain bottle to
determine the amount of oil that was removed during recovery. Empty the oil drain
bottle before recovering the next A/C system to prevent an inaccurate oil charge.
NOTE: If no oil was removed from the A/C system during recovery, DO NOT
charge any oil into the A/C system.
THE VACUUM CYCLE MUST RUN COMPLETELY OR THE OIL INJECT
WILL NOT OPERATE.
1. Select the correct oil for the A/C system being serviced. Refer to the vehicle
manufacturer's service manual.
2. Adjust the o-ring around the oil injector bottle to the required oil charge level.
For example, if the bottle's oil level is at 4 ounces, and you need 1/2 ounce of
oil to replenish the A/C system, place the o-ring at the 3 1/2 ounce level.
3. Reattach the oil injector bottle to the unit.
4. Close the Low Side manifold valve. Put the High Side valve in the Oil Inject/
Charge position.
5. Press the F1 (INJECT OIL) button once and release it when it “beeps.” Press
the F1 button again and hold it until the oil level reaches the o-ring.
6. Press the STOP button after the oil charge is complete to recharge the A/C
system with refrigerant. You must recharge the AC system with refrigerant at
this time to ensure all of the oil is delivered.
Diagram of the Oil Injection System
INST0930
Inject
Oil
Button
Control Panel
INST0699
Oil
Inject
Bottle
Oil
Drain
Bottle