Fromm P331 M - Page 40

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P331 M_HA mane.fm
9.2 Exchange of cutter, welding stop gripper and welding gripper
Disassembling
• Unscrew motor housing and remove it;
• Unscrew cover P33.2143 and remove it;
• Unscrew end cover P35.0226 and remove it;
• Lift tension gear; pull off tensioning wheel together with bearing N31.1148 from the body.
• Remove cover P35.4213;
• Don’t loosen screw N1.1553 at the coupler P35.0227.
• Disassemble the security ring N2.1121 from the coupler, remove the coupler;
• Pull out the centering sleeve P33.2142 from the guide case, disassemble the guide case;
• Remove the cutter P35.4198 together with the pressure spring and the guide from the driving pin P35.4110;
• Take pressure spring N21.5211 together with the spring guide P35.4199 from the cutter.
• Disassemble strap guide plate P35.4105;
• Disassemble the screws N1.1305, lift slightly the welding stop gripper P35.4104 and the steel insert and remove
them from the tool;
• Push the steel insert without welding stop gripper under the welding gripper P35.4107 until it touches the parallel
pin N2.2110;
• Turn welding gripper down, in case the welding gripper does not sit on the steel insert, put a piece of plastic
strap underneath the steel insert;
• Disassemble the safety ring N2.1118 from the bolt P35.4210, remove the bolt from the welding gripper;
• Turn welding gripper up;
• Pull out the steel insert with care to right under the welding gripper;
• Lift the rocker P35.4106 behind the welding gripper with a screw driver, remove the welding gripper together with
the ball cage P32.1027 and the balls N3.1702 from the tool;
• Lower the rocker, remove the thrust piece P32.1029 from the tool.
Assembling in opposite order.
P33.2142
N21.5211
N1.1932
N1.6505
P35.0227
6 x N3.1702 
N1.1305 
N1.6504
P35.4105
P35.4213
P35.4104
N2.2118
 Molykote BR2 plus
 Loctite 222
 Klüber Isoflex Alltime SL2
 Klüber Isoflex NBU 15
 Mobilux EP2
P31.1124
N2.1121
P35.4199
P35.0226
P33.2143
N11.1116
P35.4210 
N1.6504*
P35.4107 

P32.1029
 P32.1027
P35.4106 
N1.6504
N1.1927
N1.1966
N1.1934
N1.1553
Motor housing
P35.4198
Guide case
Steel insert
 Tensioning wheel
* only for strap thickness 0.80-1.53mm