Wren Turbines MW54 Mk2 Kit Assembly And Instruction Manual page 11

Building the engine – start here :
Step 1. Parts set.
Familiarise yourself with engine parts,
read all steps carefully before starting.
Proceed directly to balancing
booklet if yours is an unbalanced
rotor.
Step 5. Shaft Tunnel.
Check thick side of inner ring faces out
(other side is thin).
Wren Turbines Ltd. MW54 Mk2 & Mk3 Turbo-Jet, kit assembly instructions, Jun 2004
Step 2. Lubrication pipe.
Insert pre-formed lubrication pipe
through the 1.5mm slot.
Step 6 Shaft Tunnel.
Fit Shaft Tunnel into rear of Diffuser
and align fixing holes. Note Tunnel is
supplied as a complete assembly.
Step 3. Lubrication pipe.
Insert lube' pipe connection into
correct hole in Diffuser, and position
feed end at cut-out.
Step 7. Shaft Seal/Shaft Tunnel.
Align Shaft Seal with groove over
lube' pipe and place into position.
Secure loosely with six M3 x 10 cap
screws.
Step 4. Shaft Tunnel.
Insert front bearing this way round
(printed arrow points out).
Step 8. Shaft Seal/Tunnel.
Loosen each screw in turn by 3 turns,
apply drop of locking compound, and
tighten firmly and evenly.
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