T-37 Esperanza #451 -- James Hambly
Heater Installation Jan 2005

1. heater_installation_small.jpg
S/S backing plate installed onto starboard side next to mast
3/4" standoffs keep backing plate off bulkhead
roofing insulation used between S/S plate and bulkhead 
3/8 copper tube with flares used for diesel feed
1/4 copper tube with flares overflow return back to tank

2. hole_in_deckhead_epoxied.jpg
rotozip with 1/8 tile cut blade used to create stack opening in deck head
First cut from exterior was not all the way through to all for sealing
exposed marine ply with West System. 
Picture shows hole covered with piece of wood to keep rain out.
Hole cut to allow for 3/4" clearance all the way around outside of 3" stack.

3. completed_heater_install.jpg
heater installed to allow locker on starboard side to open completely
Built in 12V fan controls are on the starboard side of heater
Additional fan required at deck head to cool the overhead panels from excessive heating
Currently using 110V fan for deck head cooling but will replace with 12V fans 
Drip tray installed under heater although the heater has yet to drip.
Cushion does not get too hot although it does appear to be close to the heater.

4. fuel_tank_pickups_small.jpg
Main 90 gal fuel tank in bilge fwd of engine used for heater.
3/8" polish pickup supplies heater fuel via Racor 500FG and heavy duty 12V electric fuel pump
1/4" heater return connected to overflow from heater
Fuel pickup is at the very bottom of tank and also acts as part of the fuel polishing system
3/8 line to heater can be closed off with valve (not shown) to prevent fuel polishing from pressurizing
the fuel line to the heater
1/4" return line must be closed when filling tank completely to prevent diesel from backing up and overflowing
at heater

5.underside_of_fuel_inspection_hatch.jpg
As you look at the picture
Perkins diesel pickup is on the back left at 28"
Spare pickup is on the front right
Polisher pickup is on the front middle
The fittings are compression onto S/S 3/8" tube

6. polisher_pickup.jpg
Tube was extended down and across to the port aft section of the main diesel tank.
The tank slopes down to the aft so the pickup was angled towards the bottom corner or the 
deepest part. Using regular pipe benders for copper tube allowed for a bend although the
pipe flattened out a little. Oops!

7. underside_of_completed_tank.jpg
Perkins pickup is on the left and the installed 27" fuel sender is in the middle. Getting
everything to fit on the inspection panel was tight and took longer to plan than to implement.

8. heater_filtration_combined_fuel_polisher.jpg
Racor 500FG and heavy duty fuel pump installed after the Racor bolted to piece of 1/4" aluminum
diamond plate. 

9. installed_filtration.jpg
Fuel pump and filter secured alongside stbd side of perkins.
Ground strap secured to engine bed.The plate on the right was the first location
of the fuel pump but suffered from vibration due to thickness and being secured only
along the bottom edge.

10. total_length_of_perkins_diesel_pickup.jpg
Perkins pickup is 28" and the fuel sender is just under 27"