7
Electric/Hydraulic TT Thruster 140 - 300
GB
Fig. 1.4.1
1.4 Installing hub unit and saddle
models 140TT & 185TT
NOTE: Illustrations based on 140TT saddle.
• To suit the wiring confi guration supplied fi t the thruster
propeller on the port side.
• Place gasket on hub and locate through centre hole. Sealant
can be applied to gasket and fl ange to aid sealing.
NOTE: To achieve the correct position of the
propeller in the tunnel the gasket must be inplace.
Fig. 1.6.2
• Apply zinc chromate paste or marine grease to location bore
and assemble saddle onto hub (SikaFlex® or similar maybe
used to seal saddle in place). Apply Blue Loctite® 243 to bolts
and hand tighten along with supplied washers (Fig. 1.4.2).
NOTE: Tighten to full torque within 10 minutes.
Fig. 1.4.2
1.6 Propeller assembly - all models
• Check the hub gasket is in place.
• Fig 1.6.1 - Assemble anode kit and propeller in this order:-
large washer, propeller, anode, small washer and nyloc nut
onto propeller shaft.
Fig. 1.6.1
NOTE: Poor exterior tunnel surface could
cause leakage and noise. Apply sealant to
this area as required (Fig. 1.4.2).
Fig. 1.6.3
DO NOT allow propeller to touch tunnel.
Check the propeller has been assembled in the correct order.
1.5 Gearbox position - 185TT only
• On installation check the position of the gearbox (leg) brass
stem in the saddle.
Fig. 1.5.1
Fig. 1.5.2
• If it is above 3.5 mm (
1
/
8
”), the tunnel should be packed under
the saddle (Fig 1.5.2).
• If it is below 2 mm (
1
/
16
”), material must be removed from the
tunnel (Fig 1.5.1).
NOTE: Tighten each bolt alternately a
number of times to full torque.
• Fig 1.6.2 - Tighten hub/saddle bolts to 9 Nm (6.6 lbs.ft) for 140
or 21 Nm (15.5 lbs.ft) for 185. Check that propeller is centred
and free turning (within 10 minutes of applying Blue Loctite®
243).
T1873 Lewmar USA4 T 22:30:57
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