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INSTALLATION INSTRUCTIONS
G015
For NPK 500 to 1300 ft. lb. class hammers (
with fixed hammer port connections
).
4. Weld the mounting plate (a28) and
drill the access hole in the hammer
bracket according to the “
Bracket
Modification
” instructions supplied by
NPK. Drill and tap hole in the bracket
support block per instructions. For
additional information, contact the
NPK Service Department at 1-800-
225-4379. Re-install the hammer into
the bracket. Bolt the grease pump
(FZ) to its mounting plate using the
two hex head cap screws (AF1), NPK
part number G025-4530 and washers
(U), NPK part number G025-4700.
Using high strength thread adhesive,
torque the hex head cap screws to 80
ft. lbs. (
110Nm
).
NOTE:
Washers (G025-4700) must
be installed per fig. 1.
(Ref “a” and “b” angles)
5. Install adapter fittings (g19) into the
swivel tees (a62). Install swivel tees
onto the existing port fittings in the
hammer inlet (
6
) and outlet (
5
) ports.
Orient the pressure side tee so that
the SAE port faces towards the
hammer’s gas head. Orient the return
tee so that the SAE port faces the
right hand side plate of the hammer
bracket.
