Melco EMT 10T Specifications download pdf (Page 104)

6. If the under thread presser does not provide the required action, replace it and

check using steps 2 to 4 again.

7. After you are satisfied with the under thread presser action, re-attach the

connecting link (see Figure 4-7).

Adjustable Fixed Knife Adjustment

After replacing the adjustable fixed knife per the instructions earlier in this chapter it

will need to be properly adjusted. Refer to following steps in performing this

adjustment.

Ink Wipeoff Test

1. With the machine turned off, disconnect the connecting link from the movable

knife drive arm by lifting it from the front pin (see Figure 4-7).

2. Pull the movable knife forward with a small hex wrench hooked behind it.

3. With a black marking pen, mark the areas of the movable knife as shown in the

left illustration of Figure 4-11.

4. Push the movable knife back under the adjustable fixed knife to simulate the

thread cutting action.

5. Again pull the knife forward and inspect where the marking pen ink has been

wiped off. Refer to the remaining three illustrations in Figure 4-11 to determine

if the adjustable fixed knife needs adjustment.

ink wipeoff in

this area . . .

Adjustable Fixed

Knife tilted left

ink wipeoff in this

area . . .

Adjustable Fixed

Knife tilted right

ink wipeoff in

these areas . . .

Adjustable Fixed

Knife OK

Apply Ink in these

areas of the

Movable Knife

Figure 4 - 11 Ink Wipeoff Test

4 - 16 Trimmer Adjustment Procedures

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Melco EMT 10T Specifications Page 104