26
7.
Remove the thermostat assembly
8.
Remove the four screws.
9.
Insert a bar (maximum 6 mm diameter) through the holes provided at the front of
the port sleeve and use this with a slight twisting action to carefully pull the
shuttle and sleeve assembly out of the valve body.
10.
Remove both port sleeve screens by releasing the folded tabs.
11.
To dismantle the shuttle and sleeve assembly, again insert the bar through the
holes at the front of the port sleeve to hold the assembly whilst the retaining cap
is
loosened only
using a spanner (50 mm) across the flats.
There is spring tension behind the retaining cap, so complete the unscrewing and
removal by hand.
12.
Lift out the overload spring and return spring and carefully push out the shuttle
seat and shuttle (refer to Figure 7).
Bar (max 6 mm)
Retaining Cap
Shuttle and
Sleeve Assembly
50 mm Spanner
Shuttle and Sleeve Assembly (Assembled)
Figure 6
