Reddot R-9777 Installation Instructions Download Page 4

Red Dot Corporation P.O. Box 88790, Seattle, WA 98138  (425) 251-6897   Fax (425) 251-3934

RD-3-9821-0 REV -

For Reference Only.  Subject to change without notice

Page 4 of 4

7. Start the remaining bolts and tighten the plenum assembly bolts evenly until the plenum fits snugly against the

headliner.

NOTE: Do not use an impact wrench to install these bolts. Do not exceed 8 lb.-ft torque for plenum bolts.

8. Replace the recirc filter and grill into the recirc/filter plenum.

1. Evacuate the system, test for leaks and charge with R-134a. The unit requires 3.2 to 3.4 pounds depending

on hose lengths.

2. Connect the battery.
3. Turn the ignition switch to the "on" position, turn the blower switch to the high speed position, flip the a/c

rocker switch to the "on" position:
a. The a/c clutch should click on and be engaged.
b. The evaporator blower should be turning at high speed.
c. The condenser blower should be turning.

4. Turn the fan switch to medium and low positions and check that the evaporator blower slows down.
5. Turn the fan switch to the "off" position and compressor clutch should disengage.
6. Start engine and run at 1500-2000 rpm. Turn unit on "full cold", "high fan". Check gauges for normal

pressures for R-134a.

FINAL ASSEMBLY AND CHECK

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