Tokyo, Holy Trinity Church – Harrison & Harrison Ltd

Tokyo Holy Trinity Church

H&H 1980: 2 manuals, 10 stops; enlarged 1991 to 2 manuals, 13 stops.

The operation of the whole organ will be checked, cleaned and repaired where needed. Low voltage power supplies, wiring and fusing renewed; a new processor based coupling system installed and piston relays renewed.

Console

The keyboards were dismantled, wear taken up and new contacts fitted. The pedalboard was dismantled, wear taken up and new contacts fitted. The drawstop contacts were cleaned and adjusted. The piston contacts were cleaned and adjusted. The swell pedal was refaced and wear taken up in the mechanism. The console mechanism was reassembled and adjusted.

Pre-work

Keys before work	Keys before work	Keys before work
old slider solenoids	Keyboard frame	Keys before work

Work done

gluing new sharps onto keys	Swell keyboard	New Key contacts
New Key contacts	New Key contacts	New Key contacts
back of keyboards	Colin Palmer working on the console	new replacement pedal contacts
New Swell pedal rubber

Pipework

The pipework was washed and minor repairs done. Stoppers were refitted, Reed tongues were papered and wedges tightened. The speech and regulation of the pipework was checked and organ tuned.

work done

Pedal Bourdon 16ft & Principal 8ft	Pedal Bourdon 16ft	Great Pedal Principal
Great pipework	Great pipework	pipes and slides from Swell mixture
washed Swell Mixture pipes.	Swell mixture pipes cleaned	Colin racking in the Swell pipework
Swell pipework going back in	Swell pipework going back in

Soundboards & Actions

The soundboards were cleaned, upperboards lifted and the slide seals checked. The pallet springs, actions and drawstop solenoids were adjusted.

work done

Swell Tremulant action	Great action	Great pallets
Great soundboard	Great soundboard table top with slides fitted	Great soundboard table top with slides fitted
Great soundboard without faceboard	Great soundboard	Pedal Bourdon chest (side)
Pedal Bourdon chests & Principal of right side	Upper boards inside face	Swell pallets
Swell soundboard without upperboard	Jaroslav Strazovsky soldering cable to swell action	Schwimmer under Swell & Tremulant soundboard

Wind system

The wind system was opened up and cleaned. The tremulant timer was renewed. The wind system was checked and made sound.

Work done

void for Pedal Principal side of Swell box	void where Bourdon goes behind Swell box	trunking
Great roller valve	Great reservoir and trunks

Electrical System

The existing low-voltage electrical system was dismantled and removed. A new processor based coupling system was installed. The piston relays were renewed. New low-voltage power supplies were installed. New low-voltage wiring and fusing was installed throughout the organ.

Work done

Cable making	Cable making	Colin Palmer wiring piston setters
wiring piston setters	cabling coupling system	new cabling coupling system
back of piston setters behind back board	replacement piston relays in console	New PSU’s
New PSU’s and Pedal	Electronics for reversers in console