RDG603A13
– Issue 19
Page 29 of 97
following table.
A.S.A.P Supplies Part Number
Size of Hose (mm)
206428
28mm
A.S.A.P. Supplies LTD can be contacted by:
Telephone
+44 1502 716993
Internet
www.asap-supplies.com
Please be aware that other suppliers are available.
For River Boats & Workboats:
Seawater inlet hose size: 19mm (¾”)
Water cooled exhaust hose size: 50mm (2”)
6. Pressurised Water Header Tank
WARNING:
SCALD HAZARD!
NEVER REMOVE THE HEADER TANK CAP IF THE ENGINE IS
HOT. STEAM AND HOT COOLANT MAY SPURT OUT AND CAUSE INJURY. TIGHTEN
THE HEADER TANK CAP SECURELY AFTER BEING REMOVED. STEAM CAN
SPURT OUT DURING ENGINE OPERATION IF THE CAP IS LOOSE.
The pressurised header tank should be mounted higher than the level of the engine,
no less than 300mm, and no more than 1m from the engine, to prevent cooling system
air locks.
Two hoses are used on these engines. The two spigots on the plastic header tank
have different internal hole diameters. The hole on the left hand side of the tank is
3mm diameter and the hole on the right hand side of the tank is 8mm diameter. Please
make sure they are connected the correct way around as per
Figure 21
.
A constant rise on pipework is required to prevent air locks
Not fitted to RB engines
