Bosch SSB85 Service Manual page 27

Kit Contents:
- 1 x Manual water pump and wand
- 1 x Calorite disc protector plate
- 1 x Bottle Atomizer
- 1 x Cleaning Brush
- 2 x 1 Litre bottle of CLEAN F9A (decalcifier).
Brush F9A Spry F9A
Fig. 74 Cleaning kit
[6] Wait until the heat exchanger has cooled enough to proceed;
[7] Insert the protection disc through the opening in the heat exchanger;
Protection disc
Protection disc
Fig. 75 Protection disc
SSB
Pump Disc
Maintenance schedule & procedures | 27
[8] Using the brush remove debris from the spiral tubes, vacuum the
debris from the heat exchanger, without damaging the calorite disc;
Brush
Fig. 76 Brush remove debris
[9] Apply the CLEAN F9A decalcifier using the manual spray bottle and
let stand for 10 (minimum) to 20 (maximum) minutes;
[10] Rinse the heat exchanger using water and the manual water
pump. Care should be taken to avoid flooding the heat exchanger.
If the tubes are heavily obstructed repeat the cleaning and rinsing
process;
[11] Remove the calorite protection disc and reassemble the top cap
minding carefully to the position of the metal mark;
Metal mark
Fig. 77 Metal mark
[12] Reassemble the burner head, fan and gas system. Operate the
burner normally for 5 – 10 minutes.
WARNING: In instances of heavy dirty deposits repeat the
a
cleaning procedure. Do not use any chemical cleaner other
than the one listed on this manual. Cleaners designed for
aluminum heat exchangers should never be used.
6720866940 (2017/11) US