Doosan D50S-5 Operation & Maintenance Manual page 198

Maintenance Section Maintenance Section
Inspect for Intake Leaks (LP P Inspect for Intake Leaks (L
Engine Only) Engine Only)
1. 1. Visually inspect the intake manifold, throttle Visually inspect the intake manifold, throttle
assembly (4), and manifold adapters (3), for assembly (4), and manifold adapters (3), for
looseness and looseness
Replace PCV Valve and breather Replace PCV Valve and breather
element - Change (LP Engine element - Change (LP Engine
Only) Only)
1. 1. Loosen the hose clamps and remove the PCV Loosen the hose clamps and remove the PCV
valve. valve.
2. 2. Assemble new PCV valve and hose. Assemble new PCV valve and hose.
3. 3. Tighten the hose clamps Tighten the hose clamps
and leaks. leaks. Repair as Repair as necessary. necessary.
3 3
2 2
(1) Adapter-Throttle body (1) Adapter-Throttle body
(2) TMAP sensor, (2) TMAP sensor,
(3) Adapter-Manifold, (3) Adapter-Manifold,
(4) Throttle body (4) Throttle body
197 197
Replace Oxygen Sensor (G643E Replace Oxygen Sensor (G6
Engine Only) Engine Only)
Exhaust Tube Exhaust Tube
1 1
4 4
43E