Wartsila 31 Product Manual page 84

8. Compressed Air System
Fig 8-1
System components:
01 Main starting valve
02 Start solenoid valve
03 Air filter
04 Valve for automatic draining
05 Non return valve
06 Air container
Sensors and indicators:
CV133
CV134
CVZ134
PT301
PT311
PT312
CV321
CV621
Pipe connections:
301
320
8-2
Internal starting air system, (DAAF315514A)
07
08
09
10
11
12
Circulation valve control
PDSV valve
PDSV valve, safety
Starting air pressure, engine inlet
Control air pressure
Instrument air pressure
Start solenoid valve
Charge air shut-off valve controll
Starting air inlet, 15 - 30 bar
Instrument air inlet, 6 - 8 bar
Drain valve for maintenance
Blocking valve for turning device
Flame arrestor
Bursting disc
Starting air valve in cylinder head
VIC VEC
GS621 Charge air shut-off valve position, A-bank
GS631 Charge air shut-off valve position, B-bank
CV792E Turning gear engage solenoid valve
CV792D Turning gear disengage solenoid valve
GS792E Turning gear engaged
GS792D Turning gear disengaged
CV947 MCC, degasing valve control
Size
DN50
OD12
Wärtsilä 31 Product Guide - a1 - 18 October 2016
Wärtsilä 31 Product Guide
13 Camshaft
14 Pilot controlled valves for stop-
ping
15 Slow turning gear engage/disen-
gage control solenoids
16 Slow turning gear engaging
cylinder
17 FE large gear
18 Charge air shut-off valve