Installation Instructions

MTU Instruction
for American Model AL800-AL5000 Gas Meters
Purpose & Scope
This instruction provides a procedure for use in installing a Hexagram STAR MTU and
Large Meter Pulser on an American Model AL800-AL5000 Industrial & Commercial
Diaphragm Gas Meters. Please also refer to Publication 471-2000, General Installation
and Wiring Guidelines for general information covering the wiring and mounting of STAR
MTUs.
Parts Required
Item Part Number Quantity
#18-18 x 2.6” slotted round head bolt, stainless 069-181880DS 4
#12-24 x 2-¼” slotted fillister head screw, stainless 069-122472HS 2
American index cover gasket 066-0033 1
Security cups 066-0336 2
Security caps 066-0337 2
2-pin drive disk 056-11585C 1
Tall, 2-slot coupler with magnet 056-11585B 1
Shaft, standard 056-5155D 1
Adapter, 5155 style MTU enclosure to pulser body 056-11585D 1
¼-20 x 1-½” Phillips pan head machine screw, stainless 069-142048AS 2
¼-20 nylock nut, stainless 069-3222 2
#8-18 x ½” Phillips pan head thread forming screw, stainless 069-080016A4S 2
MTU/Pulser Assembly (or separate MTU and pulser) per project 1
471-2026 - 7/18/2007
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