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Graco 243279 Instructions-Parts List Manual page 4

Hot melt wiper kits

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Tee Wiper / Steam Hose Kit 245668 /
253290
Clean the seal grooves as follows:
1. Using a wooden or plastic tool to prevent damage
to the wiper, clean all material from the seal
grooves.
2. Lubricate ram plate grooves, bands, and wipers
before assembly.
Install the wiper ring seals as follows:
NOTE: Upper wiper is tee, lower is hose.
1. Pull the tee wiper over the platen assembly. Roll
the tee wiper ring (10) down to the top ring groove
as shown in Fig. 2.
2. Install the first upper band (20) over the wiper ring,
placing it in the top groove of the wiper.
CAUTION
Do not over tighten the screw in the band. Over tight-
ening the screw will deform the wiper ring.
Fig. 2
4 309196
Installation
20
3. Secure the top band using the screw in the band.
4. Install the second upper band onto the bottom of
the wiper ring on the top groove of the wiper.
5. Secure the top band using the screw in the band.
CAUTION
Make sure the wipers are lubricated. Without lubrica-
tion, the wipers may tear.
6. Assemble and cut band as shown in Fig. 2.
7. Install screw jack in slot. Tape around tab in slot.
8. Install hose and band so that angled ends of hose
press against each other.
9. After installing clamp, work hose with mallet to
completely close gap at the ends.
10. Hose seam must be in line with tie rod holes
[+ or – 1" (25.4 mm)].
10
Wrap tape
around insert tab
É É É É
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TI2345
Cut between
slots as shown

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