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NPK GH1 - Preparing for Main Valve Installation

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- 77 -
REASSEMBLY OF THE HAMMER
15. Install the top nuts (R) and tighten by
hand.
a. If a gap (d3) of about .19 - .25 inch
(7 to 8 mm) is formed between the
main body (A) and the gas head (L)
when the top nuts (R) are tightened
fully by hand, the setting may be
regarded as normal. If the gap (d3)
is larger than the mentioned
dimension, this suggests that the
spring washers have fallen out of
position.
16. Tighten all TOP NUTS with a TORQUE WRENCH to recommended torque
specification shown in CHART 1, see page 105. (It may take several passes at
each top nut to achieve this.) Check that no gap (d3) is noted between the
sections.

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