GUARD AS 1163331 - Caterpillar

Illustration 3 g02337917
(4) Pressure regulator on the 215-2592 Wastegate Kit
(5) Gate valve # 1 on the 215-2592 Wastegate Kit
(6) Pressure gauge on the 215-2592 Wastegate Kit
(7) Hose from the mixer to the exhaust balance valve solenoid
(8) Exhaust balance valve solenoid
(9) Exhaust balance valve
(10) Gate valve # 2 on the 215-2592 Wastegate Kit
Illustration 4 g02402325
(7) Hose Only disconnect the hose from the mixer, do not disconnect the hose from the balance valve solenoid.
Illustration 5 g02402320
(5) Gate valve #1
(10) Gate valve #2
Illustration 6 g02338036
(11) Fitting for the line to the exhaust balance valve
Table 7
Troubleshooting Test Steps Values Results
4. Test the Exhaust Balance Valve Solenoid to Make Sure that the Valve Is Not Stuck in the Closed Position
A. Disconnect hose (7) from the mixer. Refer to Illustration 4.
B. Connect the 215-2592 Wastegate Kit and necessary adapters between hose (7) and the mixer. The other end of hose (7) must stay connected to the inlet of the balance valve solenoid.
C. Turn the keyswitch to the OFF position.
Only apply 138 kPa (20 psi) air pressure to the exhaust balance valve.
D. With gate valve (5) in the open position, regulate the supply air pressure to 138 kPa (20 psi). Make sure gate valve (10) is closed. Once the pressure is stable, close gate valve (5).
E. Loosen fitting (11) for the line from the exhaust balance valve solenoid to the exhaust balance valve.
Valve
Result: Air leaked out of the line from the exhaust balance valve solenoid after the fitting was loosened.
The solenoid is not stuck closed. Proceed to Test Step 5.
Result: Air did not leak out of the line from the exhaust balance valve solenoid after the fitting was loosened.
Repair: The exhaust balance valve solenoid is not operating properly. Replace the exhaust balance valve solenoid. Return the unit to service.
5. Test the Exhaust Balance Valve Solenoid to Make Sure that the Valve Is Not Stuck in the Open Position
A. Relieve any residual pressure in the system by using gate valve (10) on the wastegate test kit. Once the pressure is relieved, close the valve.
Only apply 138 kPa (20 psi) air pressure to the exhaust balance valve.
B. With the gate valve (5) in the open position, regulate the supply air pressure to 138 kPa (20 psi). Make sure gate valve (10) is closed. Once the pressure is stable, close gate valve (5).
C. Turn the keyswitch to the ON position.
D. In Cat ET, navigate to the"Engine Exhaust Manifold Bank #1 Flow Balance Valve Solenoid Override" "Override Parameters" menu under the diagnostic tab. Override the exhaust balance valve to ON.
E. Loosen the line to the balance valve from the exhaust balance valve solenoid.
Valve
Result: Air leaked out of the line from the exhaust balance valve solenoid after the line was loosened.
Repair: The exhaust balance valve solenoid is not operating properly. Replace the exhaust balance valve solenoid. Return the unit to service.
Result: Air did not leak out of the line from the exhaust balance valve solenoid after the line was loosened.
The solenoid is operating properly, Proceed to Test Step 6.
6.