TOHATSU BFT250A - Relief Valve Disassembly; Assembly

11-17
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COOLING SYSTEM
RELIEF VALVE DISASSEMBLY/
ASSEMBLY
Remove the engine cover bracket (page 6-9).
Disconnect the water outlet tube [1] from the right relief
valve and remove the tube clamp D10.5 [2].
Remove the following:
– Bolts (6 x 32 mm) [3] (two)
– Bolt (6 x 22 mm) [4]
– Relief valve cover [5]
– Cover packing [6]
– Relief spring [7]
– Relief valve [8]
– Packing [9]
– Relief valve spacer [10]
– O-ring (33.5 x 2 mm) [11]
– O-ring (23.5 x 2 mm) [12]
Always use a new packing when installing the relief
valve.
Always use new O-rings and coat them with marine
grease.
Installation is in the reverse order of removal.
[1]
[5]
[4]
[7]
[8]
[11]
[12]
[11]
[9]
[9]
[6]
[3]
[10]
[10]
[2]