Carburetor, fuel pump, throttle linkage,  M110

Removal and installation of choke

 

 

07.2—140 Removal and installation of choke

 

Note

 

The starter housing can be removed or installed with­out difficulties only with carburetor removed.

 

Removal
m110 - 0313-1.jpg
1    Remove carburetor (07.2-194).
2   Pull vacuum hose from choke housing. Unscrew fastening screw, remove choke housing and choke cover.
Choke housing version 1 (sheet metal pulldown)

 

Starting May 1973 a cast iron choke housing with integrated pulldown and a modified fast idle cam is installed. The choke valve gap is set by means of adjusting screw (211) to simplify adjustment. Subse­quent installation is generally possible.
m110 - 0313-2.jpg
Choke housing version 2 (cast iron choke housing)

 

Fast idle cam versions
1    For choke housing with sheet metal pulldown
2   For cast iron choke housing (with short driver)
m110 - 0313-3.jpg

 

07.2.2 la-140/1

 

 

 

Installation
m110 - 0314-1.jpg
3   For installation, set up carburetor in such a manner that the choke housing can be installed vertically.
4   Position fast idle cam as shown in illustration and align.
5   Align driver lever for choke rod by means of a screwdriver inserted through bore in carburetor hous­ing (arrow) in such a manner that the recess in driver lever shows up horizontally in center of carburetor housing bore.

 

6 Carefully install choke housing from above.
m110 - 0314-2.jpg

 

7   Check that drivers (196 and 197) are aligned as shown in illustration.
8   Check whether the driver (196 or 194) is moving when the choke valve is actuated, e.g. that it is posi­tively connected. Then attach choke housing.
m110 - 0314-3.jpg
Choke housing version 1 (sheet metal pulldown)
44 Fast idle cam           194
47 Fastening screw 173 Connecting rod 197
Driver for actuating fast
idle cam
Driver of fast idle cam

 

Attention!
When installing a new choke housing, apply choke housing mark (07.2-142).
m110 - 0314-4.jpg
Choke housing version 2 (cast iron choke housing)
44 Fast idle cam
196    Driver for actuating fast idle cam
197    Driver of fast idle cam

 

07.2.2 la-140/2

 

 

 

9 Install choke cover, making sure that the driver in choke housing rests against bimetallic spring side (arrow).
m110 - 0315-1.jpg
Spare parts for installing cast iron choke housing
Designation
Part no.
Choke housing Fast idle cam Fastening screw
000 070 19 47 110071 1262
001  071 27 71

 

07.2.2 la-140/3