Wren Turbines Ltd. MW54 Mk2 & Mk3 Turbo-Jet, kit assembly instructions, Jun 2004
Page 17
Assembling the engine.
Step 49.
Re-fitting rotor assembly.
Carefully insert the turbine rotor into the
casing and fit Front Spacer, Compressor and
Compressor Nut and tighten firmly. Torque
setting for Compressor Nut is 6Nm or
54lb/ins if torque wrench available.
Step 50.
Fitting Intake.
Position Intake over compressor and align
cut-outs for service connectors. Secure with
four M2.5 x 6 screws (see next step) – use
locking fluid to retain.
Step 51
. Fitting Intake.
Leave the top two fixing holes vacant –
this is to allow fitting of the RPM pickup.
Pic’ shows earlier style of connectors.
Step 52.
Prepping the RPM sensor.
Press the brass tube spaces into the
rubber grommets on the sensor. Wire
should protrude at r/h side.
Step 53.
Fitting RPM sensor.
Fit the RPM sensor to the two vacant
holes above the Inlet using the two
M2.5 x 20mm cap screws.
Step 54.
Fitting lube’ feed pipe.
The Lube’ feed pipe is connected between
the tee and angle fittings, above the
Intake. Ensure pipe is pushed fully home
to seal properly.
Step 55.
Fitting Exhaust Cone, Mk2 & 3.
Remove four of the M3 x 4 NGV fixing
screws, as shown above.
Step 56.
Fitting Exhaust Cone (Mk2).
Fit the Exhaust Cone, positioning the
temp’ probe hole at 4 O’clock. Refit the
four M3 x 4mm screws.
(Not Used)
Summary of Contents for MW54 Mk2
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