Repair
42 311075R
To Remove Entire Pump Assembly
5. Disconnect fluid inlet (C) and outlet (D)
lines. Also disconnect steel outlet tube (16)
from heater inlet.
6. Remove pump rod cover (222). Push clip
up in back and push pin (217) out. Loosen
locknut (218) by hitting firmly right-to-left
with a non-sparking hammer. Unscrew
pump. See manual 311076 for pump repair
and parts.
7. Install pump in reverse order of disassem-
bly, following all notes in FIG. 9. Clean
strainer (51). Reconnect fluid inlet (C) and
outlet (D) lines.
8. Tighten fluid outlet fitting (D), then tighten
locknut (218) by hitting firmly with a
non-sparking hammer.
9. Open fluid inlet valve (52). Set function
knob to Slow Recirc . Purge air and
prime. See page 20.
FIG. 9. Displacement Pump
C
D
16
217
1
Flat side faces up. Tighten by hitting
firmly with non-sparking hammer.
1
Lubricate threads with ISO oil or grease.
2
2
2
2
TI7025a
218
222
51
E
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