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only.
(2) While operating both Pump#1 and Pump#2, verify Total System Flow rates are within minimum
and maximum allowable flow rates.
Serials that performed Ground Flow Test #1: (See Figure 5)
Serials that performed Ground Flow Test #2: (See Figure 6)
(3) If all protected locations meet minimum allowable flow rates, but Total System Flow rate is not
within the allowable range, pump pressure output of the deficient pump(s) must be measured
separately.
Note: Measurement of pump pressure output is more accurate than Total System Flow
and therefore supersedes any Total System Flow deficiencies.
(a) Perform Procedure - Metering Pump Flow Output for Pump#1 and/or Pump#2. (Refer to
Section M.)
C I R R U S S E R V I C E B U L L E T I N MOD E L S R 2 2
SB 2X-30-03 R1
Cirrus Design SR22 Serials 3003, 3310, 3326, 3403 Page 22
thru 3424, 3463, and 3499 w/ FIKI ice protection system.
EFFECTIVITY:
November 23, 2009
M. Procedure - Metering Pump Flow Output
(1) Acquire necessary tools, equipment, and supplies.
(2) Disconnect and cap tubing attached to pressure output port of the desired metering pump.
(3) Connect 5/16-inch tubing of Pump Flow Test Rig to pressure output port of pump.
(4) Position outlet of Pump Flow Test Rig into a clean, empty container. (See Figure 3)
(5) Test pressure for Pump#1.
(a) Set System Mode switch to HIGH, and activate Pump#1 by setting System Switch to ON.
(See Figure 3)
(b) Observe voltage of Pump#1 and adjust its operating voltage to 27.85 VDC nominal via
ground power supply.
CAUTION: Ensure supplied voltage of ground power supply does not drift in excess of
±0.02 VDC during test.
(c) Perform Pump#1 Flow Rate:
1 Using Pump Flow Test Rig, restrict fluid flow from Pump#1 until output pressure is
increased to 80 psi.
2 To measure flow rate of Pump#1, use stopwatch and graduated cylinder (5.0mL divisions
maximum) to take a volume measurement for precisely 1 minute.
Note: The measured volume will be the flow rate of Pump#1.
(d) Repeat Pump#1 Flow Rate a minimum of two times and average the results. The result is
the Pump#1 Output flow rate.
(e) When Pump#1 Output Flow Test is complete, set System Switch to OFF. (See Figure 3)
(f) Disconnect tubing of Pump Flow Test Rig from Pump#1.
(g) Reconnect aircraft tubing to pressure output port of Pump#1. Torque nuts to 48 in-lb (5.4
Nm) and apply torque seal.
(6) Test pressure for Pump#2.
(a) Disconnect and cap tubing attached to pressure output port of Pump#2.
(b) Connect 5/16-inch tubing of Pump Flow Test Rig to output port of Pump#2. (See Figure 3)
(c) Set PUMP BKUP switch to ON. (See Figure 3)
(d) Observe voltage of Pump#2 and adjust its operating voltage to 27.10 VDC nominal via
ground power supply.
CAUTION: Ensure supplied voltage of ground power supply does not drift in excess of
±0.02 VDC during test.
(e) Perform Pump#2 Flow Rate:
1 Using Pump Flow Test Rig, restrict fluid flow from Pump#2 until output pressure is
increased to 80 psi.
Description P/N or Spec. Supplier Purpose
Graduated Cylinder, 500mL
(5.0mL divisions maximum)
- Any Source Measure flow rate of pump.
Pump Flow Test Rig T11071 Cirrus Design Purge anti-ice fluid from
elevator tip porous panels.
C I R R U S S E R V I C E B U L L E T I N MOD E L S R 2 2
SB 2X-30-03 R1
Cirrus Design SR22 Serials 3003, 3310, 3326, 3403 Page 23
thru 3424, 3463, and 3499 w/ FIKI ice protection system.
EFFECTIVITY:
November 23, 2009
2 To measure flow rate of Pump#2, use stopwatch and graduated cylinder (5.0mL divisions
maximum) to take a volume measurement for precisely 1 minute.
Note: The measured volume will be the flow rate of Pump#2.
(f) Repeat Pump#2 Flow Rate a minimum of two times and average the results. The result is
the Pump#2 Output flow rate.
(g) When Pump#2 Total System Flow test is complete, set PUMP BKUP Switch to OFF. (See
Figure 3)
(h) Reconnect aircraft tubing to pressure output port of Pump#2. Torque nuts to 48 in-lb (5.4
Nm) and apply torque seal.
(7) Verify measured pressure output of either (or both) pumps are within minimum and maximum
allowable flow rates. (See Figure 7)
If required, replace metering pump(s). (Refer to AMM 30-05)
C I R R U S S E R V I C E B U L L E T I N MOD E L S R 2 2
SB 2X-30-03 R1
Cirrus Design SR22 Serials 3003, 3310, 3326, 3403 Page 24
thru 3424, 3463, and 3499 w/ FIKI ice protection system.
EFFECTIVITY:
November 23, 2009
Figure 1
TKS System Cart - Cirrus Design
SR2_SB30_1296
Pressure Vessel
Control Console Pressure Gauge
Air Regulator
Pressure Safety Valve
　
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