−
42
−
Standard Adjustment
b
e
(2) Disassembling/assembling the main shaft
Main shaft front bushing
-Removing procedure of the main shaft-
1. Loosen two setscrews in coupling
7
. (Main shaft
side)
2. Remove plunger spring bracket
5
, and take out
the plunger and the spring.
3. Loosen two setscrews each in bobbin winder
driving wheel
4
and in thrust collar
8
.
4. Refer to page 44 and loosen the timing belt.
5. Remove the timing belt and loosen two
setscrews in sprocket
6
.
6. Draw out counterweight
1
in the direction of
b
mark.
-Assembling procedure of the main shaft-
1. Insert counterweight
1
in the direction of
e
mark.
Adjust so that two pieces each of thrust bearing
2
and thrust washer
3
are located in the front and
rear of the main shaft front bushing and there is no
thrust in the main shaft, and fix thrust collar setscrew
8
.
2. Make sure that the groove in the plunger is properly
set, and place the plunger and the spring. Then,
attach plunger spring bracket
5
.
3. Tighten two setscrews each in coupling
7
and in
sprocket
6
.
4. Fix bobbin winder driving wheel
4
as shown on
page 34.
5. Refer to page 44 and stretch the timing belt.
Main shaft intermediate bushing
Timing belt
Main motor
Main motor installing base
1
2
3
4
5
6
7
8
Summary of Contents for LBH-1700
Page 1: ...R ENGINEER S MANUAL 29339504 No 04 Electronic Buttonholing Machine LBH 1700 Series ...
Page 55: ... 51 MEMO ...
Page 124: ... 120 ...
