Installation of Nut Style Rivet
Install using AA480 DOUBLE ACTION LEVER TOOL
Instruction Sheet for AK, AL, AH, AO, Series™ and RN Series® Product supplied with each tool.
Please refer to Amerex Restaurant Fire Suppression Manual to obtain proper thread adaptation kit part
numbers and size/tool capabilities.
Tool Set-Up Instructions
Installing thread adaptation kit:
1. Remove tool nose housing (C) from tool. Loosen mandrel lock nut (F) one rotation from tool.
2. Thread mandrel (D) fully onto threaded shaft (E) and tighten mandrel lock nut (F) against mandrel
(D) with wrenches included.
3. Replace tool nose housing (C) onto tool and tighten.
4. Turn knurled lockdown ring (B) forward to front of nose piece (A).
5. Thread nose piece (A) into tool nose housing (C) approximately two full rotations.
6. Adjust stroke of tool.
The AA480 Tool will need to be adjusted to provide the proper stroke to install the AL product.
To calculate the stroke requirement use the following formula and chart.
(MG-MT) + PF = Stroke Setting
MG = Max grip of the AVK Product. Refer to AVK Engineering Catalog for the appropriate grip
specifications.
MT =The thickness of the material you will install the product into.
PF = The pull-up factor. This is the amount by which the overall length of the AVK product is shortened
during installation into a parent material of maximum grip thickness. They are as follows.
Thread: ¼-20UN
Size Series: 1/4, M6 .065 .090 .080 .095
Note: Each horizontal mark on the Gauge (G) equals one millimeter or .040" of stroke. Each 1/2 turn of
the knob (I) equals .8 millimeter or .032" of stroke.
7. Set tool stroke using stroke adjustment knob
(1). Confirm stroke setting on stroke indicator gauge (G). Make sure the detent (H) is extended
into the lobe on the adjustment knob (1).
8. Open tool handle fully and turn nose piece (A) into tool so that the length of exposed mandrel (D) is
equal to the overall length of the product being installed.
9. Tighten the knurled lock down ring (B) against the tool nose housing (C).
Tool Operation:
1 . Open tool handles.
2. Thread product fully onto tool mandrel (D).
3. Place exposed product into the hole in your parent material. Drill hole 25/64 Dia.
4. Squeeze tool handles together fully.
5. Spin removal knob (J) counter-clockwise removing mandrel/tool from installed product.
6. Measure the AVK product's installed length dimension. Make minor stroke adjustments
if necessary. One full rotation of the stroke adjustment knob (H) equals 1 .6mm or .064". 1/2 rotation
equals .8mm or .032". Be sure the detent (H) is extended into the lobe on the adjustment knob (1).
7. Perform steps 8 and 9 of the Tool Set-Up Instructions if necessary.
January 2012
Section 4 Installation
Page 4 – 24
Amerex Restaurant Fire Suppression System (EX 4658)
