USN%20PRG402%20Pop%20Riveter%20Instructions

Oct 29, 2026

Operating instructions for the PRG402 H.D. heavy-duty hand “POP” riveter, detailing how to insert rivets into a predrilled hole, position the mandrel in the nosepiece, and squeeze the movable handle until the mandrel breaks. Includes steps for installing the return spring and warnings about not greasing serrations or installing the spring on the fulcrum pin. Provides procedures to change or clean jaws and to disassemble the tool, plus a rivet compatibility chart and spare parts list.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages2

Reading Time5 min

AccessFree to download

Operating Instructions

Installing Handle Return Spring

To Change or Clean Jaws

To Disassemble the Tool

Spare Parts List

OPERATING INSTRUCTIONS Insert rivet in predritled holeand squeeze handles untilmandrel breaks. Place mandrel of rivet innosepiece of tool with han-dies open. Result、.a permanent,vi-bration proof assembHy-rivelis insfalled and setfromsame side. 1 Open handle completely.Insert rivet mandrel into nosepiece untilrivet head is in contact with face of nosepiece. 2 Close handle lightly until contact is made between rivet mandrel andRiveter jaw.At this point using Riveter as a guide,insert rivet intohole of unit to be riveted. 3 Note bottom face of rivet head and outer surface of unit to be rivetedMUST be in contact at this time. 4 Squeeze movable handle down until rivet is set. 5 Open handles to their extremes and expendable rivet mandrel willeject at back of nose section. 6 If two strokes are necessary to set the rivet,the movable handle mustbe reopened completely,and the Riveter moved down so that thenosepiece is again in contact with the head of the rivet. 7 Now squeeze movable handle down and rivet should set. Installing Handle Return Spring Open tool.Push Spring PRG402-102,coiled section,toward front oftool.Legs of spring should rest against staked section of handle andsupport. NOTE:Do not install spring onto Fulcrum Pin PRP-40. # TO CHANGE OR CLEAN JAWS 1 Remove Nosepiece Housing PRG 402-11 along with nosepiece. (A)Remove Jaw Guide PRH 820-11A,Jaws PRG 402-8A and Jaw Pusher PRG 520-33. (B)Clean Jaw Guide and Jaw Pusher.Clean serrations in Jaws withwire brush.Install new Jaws if needed. (C)Apply a light oil to Jaw Guide and Jaw Pusher.Put a light greaseon the tapered faces oi the Jaws. NOTE:Do not allow any grease to get on the serration of the Jawssince this will hinder ejection of spent mandrel. 2 Reassemble and stroke tool a few times to check operation beforeusing. (A)Make sure Nosepiece Housing PRG 402-11 and nosepiece are :securely fastened. PRG 402 H.D.WILL SET ONLY THE “POP”RIVETS LISTED IN THIS CHART | RIVET | MANDREL | 3/32I | 7/64 | 1/8 | 5/32 | 3/16 | | --- | --- | --- | --- | --- | --- | --- | | OPEN
END_RIVETS | | | | | | | | alum. | atum, | | | | | ◎ | | alum. | steel | | | | ● | ◎ | | steel | steel | | | | | | | monel | steel | | | | ● | | | stainless | slainless | | | ◎ | | | | CLOSED END RIVETS | | | | | | | | alum. | alum. | | | | | | | alum. | sleel | | | ◎ | 6 | | Shelton,Connecticut 06484Phone(203)735-9341·TWX 710-451-3734 # TO DISASSEMBLETHE TOOL (1)Remove Nosepiece Housing,Jaw Guide,Jaws and Jaw Pusher as outlined on re-verse side along with Jaw Pusher SpringPRG 402-101. (A)Remove Fulcrum Pin Retainer PRG 402-100. (B)Remove Fulcrum Pin PRP-40 beingcareful not to lose the two BushingsPRG 402-14. (C)Remove Handle PRG 402-5 along with Pulling Head PRG 402-3. (D)Push out Pulling Head Fulcrum PRG- (E)Reassemble in reverse order,makingsure Jaw Pusher Spring is inserted inhole in Pulling Head Fulcrum PRG 402-4to allow for rear ejection of mandrel. # SPARE PARTS LIST 一PRG 402-8A | Model PRG 402 H.D.
Heavy Duty Hand “POP”Riveter | | | --- | --- | | PART NO.
DESCRIPTION | DESCRIPTION
PART NO. | | Riveter Support
PRG 402-1A
INosepiece Housing
PRG 402-2A
lmsert
Pulling Head
PRG 402-3
Pulling Head Fulcrum
PRG 402-4
Handle
PRG 402-5
Jaw Guide-Small
PRG.402-Zt* | Nosepiece 3/16”Open
PRN-614
End
Nosepiece 1/8”Closed
PRN-424*
End Aluminum Rivet
with Steel Mandrel
Nosepiece5/32“Closed
PRN-524*
End Aluminum Rivet | | Jaws
PRG 402-8A
Nosepiece Housing—
PRG 402-10*
Small
Nosepiece Housing—-
PRG 402-11
Large
Handle Latch
PRG 402-12A
Bushing
PRG 402-14
Jaw Pusher
PRG 520-33
Jaw Guide—Large
PRH 820-11A
Nosepiece 3/32"IOpem
PRN-314*
En

FAQs

What are the steps to disassemble the tool safely?

Remove the nosepiece housing, jaw guide, jaws, and jaw pusher as outlined, including the jaw pusher spring PRG 402-101. Then remove the fulcrum pin retainer PRG 402-100, carefully remove the fulcrum pin PRP-40 without losing the two bushings, and remove the handle PRG 402-5 with the pulling head PRG 402-3.

Oct 29, 2026

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