Grohe 37 139 Mode D'emploi page 5

GB
Technical Data
• Flow pressure:
min. 1.2 bar / recommended 2 - 5 bar
• Operating pressure:
• Test pressure:
If static pressure exceeds 5 bar, a pressure
reducing valve must be fitted.
• Flow rate:
• Temperature:
• 37 139: automatic flush flow regulation
• 37 141: manual flush flow regulation
Installation
Flush pipes thoroughly!
Refer to the dimensional drawings on fold-out
page I and fold-out page II, Fig. [1].
Fitting and connection
• Seal the fitting and attach, see Fig. [2].
• Cut flushing pipe (A) 20mm below the fitting,
see Fig. [3].
• Push pipe (B) with nut (C) into the flushing
pipe (A), see Fig. [4].
• Connect pipe (B) with nut (C) to the fitting,
see Fig. [5].
Open water supply and check connections
for watertightness!
Changing the flush flow (37 139)
• Remove cap (D), see Fig. [6].
• Change the flush flow by turning adjusting
screw (E).
Fault Cause
Continuous • Nozzle blocked
running / • Relief valve defective
persistent low
water flow • Piston seal damaged
• 37 139: flush flow regulation not
fully opened
Flushing too short • Leather seal dry or damaged
• 37 139: Incorrect flush flow
• Piston seal damaged
Operation, see Fig. [6].
The pre-set flow volume is released by pressing
down actuating lever (F) for 1 second.
Following release of this flow volume, the valve
stops the water flow automatically and without
max. 10 bar
kickback.
16 bar
Maintenance
Inspect and clean all components and replace
1.0 - 1.3 l/s
if necessary.
max. 40 °C
Function parts must not be greased!
Shut off water supply!
Piston
1. Unscrew cap (G) with seal (H),
see Fig. [7].
2. Screw out nut (I) with washer (J).
3. Remove piston (K).
Install in reverse order.
When reinserting, expand and moisten
leather seal (L) and clean groove (M),
see Fig. [8].
Automatic throttle (37 141)
• Remove circlip (N), pull out and clean automatic
throttle (O), see Fig. [7].
Replacement parts, see fold-out page II
(* = special accessories).
Care
For directions on care, refer to the accompanying
Care Instructions.
Remedy
- Clean piston (K), see Maintenance
- Replace complete piston (K),
see Maintenance
- Replace, see Maintenance
- Adjust the flush flow, see Changing the
flush flow
- Expand or replace leather seal (L),
see Maintenance
- Adjust the flush flow, see Changing the
flush flow
- Replace, see Maintenance
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