IBM 1403 Field Engineering Maintenance Manual page 90

Figure 87. Hammer Unit Assembly
Aligning the Train to the Hammers
(Horizontal T -Casting Positioning)
Before this adjustment is made, the hammer unit must
be located correctly front to rear (refer to Aligning the
Hammer Unit to the Paper Path). Also, the cartridge
and movable base must be adjusted correctly on the
T-casting (refer to Movable Base Adiustments).
1. Check for any foreign material between the strike
plate and the T -casting.
2. Remove the ribbon, and. set the forms thickness
lever on .019".
3~,
Insert the .100" rod end of the tool (part 452457)
at the left end of the cartridge between the ham-
mer locating block (see Figure 82) and a type slug
with wide characters (Figure 88).
4. Decrease the forms thickness setting until a light
drag on the tool is obtained. If the clearance is
90
Pivot
Magnet Mounting Plate
Holding Screw
(2)
I!J
r
1.1
~
c;ccenrnc ;)crew
W ' \ .
Magnet Mounting Plate Pivot
correct, the thickness control should he at .011"
setting.
5. Using the same type slug, repeat steps 3 and 4 at
the right end.
1403-3
11./
Alignment Tool (452457)
r
Train Type Slug
11
Locating Block
.100"
Figure 88. Train-to-Hammer Unit Positioning