NPK M20C, Instruction Manual, Page: 110 / 152

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110
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JAW SET INTERCHANGE
TOOL AND SUPPLIES
The following are tools and supplies needed to properly change jaw sets.
 At least one lifting device, such as a crane or lift truck with adequate capacity for the
particular model being worked on.
 A supporting device, such as a second crane or lift truck.
 Lifting and securing straps or chains with adequate capacity for the model being
worked on.
 Three wood blocks, 4” x 4” (100 x 100 mm) or larger.
 14 mm hex key socket (available as NPK part no. M380-1000).
 14 mm hex key wrench.
 1/2" drive breaker bar.
 3/4" or 1/2" air gun
(if available).
 Brass drift pin.
 Dead blow hammer or non-metallic rod or hammer
(such as nylon or wood).
 Ball peen hammer.
 Sledge hammer.
 NPK assembly tube, p/n 35027310 for the M20 and 35027200 for the M28 and M38
models.
 Spanner wrench.
 Qty. 2 - #20 JIC steel caps.
If removed jaw set is to be stored, it is recommended to:
 Grease.
 Set on a wood pallet.
 Use a protective tarp for outside storage.