KREMLIN REXSON
16
Manual : 574.331.112
CHANGING THE MOTOR
Stop the installation (Depressurize, drain, disconnect).
Disconnect the 2 cables connected to the motor (power
and control).
Unscrew the 4 screws (47) that hold the motor (48) (BTR
wrench n° 4).
Take off the motor.
Remove the motor pinion (39) taking off the screw (41)
(BTR wrench n° 3) and the plate (40) on which it is fixed.
Install a new motor and connect the 2 cables.
Place the installation into operation.
CHANGING THE BALL SCREW (32)
Remove the inlet valve, the outlet valve or outlet flange,
the proportioning part (do not remove the sleeve and the
heated collar).
Unscrew the 2 screws (77) (BTR wrench n° 2.5) installed
on the strap (84).
Unscrew the 4 screws (31) (BTR wrench n° 5) installed on
the stop (30).
Hold the assembly to prevent it from rotating.
Take off the ball screw downwards.
When disassembling, check if there is a play in the
bearings.
Lubricate the ball screw
(KLUBER grease - STABUTHERM GH 461)
NEVER TAKE OFF THE BALL SCREW FROM THE
NUT.
Install the new ball screw, the stop (30). Tighten them with
the screws (77 and 31).
Reinstall the proportioning part, the outlet valve or the
outlet flange and the inlet valve.
32
30+31
35+36+37
41
40
39
42+43
38
33
34
44
CHANGING THE STOP ASSEMBLY, THE BALL BEARINGS (35)
Take off the 4 tie-rods (9).
Take off the screws (8) that hold the
bearing box (101) on the fixing plate (6).
Change the assembly (35).
The assembly (35) consists of the
bearing box, the ball bearing (104), the
needle stop (110), the spacers (106,
112), the washers (105, 111), the gear
shaft (108), the circlips (107).
Nota : the pinion (38) does not belong to
the assembly (35).
101
104
113
111
109
107
114
103
112
106
110
105
102
108
38
48
47
