CRANKSHAFT 1W0400 - Caterpillar

Gas EngineG3304B (S/N: A4E1-UP)G3306B (S/N: R6S1-UP)Introduction
This Special Instruction provides installation tips for Cat® G3300B gas compression engines utilizing the A4 ECM and the optional Messenger-based customer interfaces.The Special Instruction is not intended to provide detailed installation information or replace the expertise and engineering judgment of the system designer. The Special Instruction is, intended to complement, do not replace, the Application and Installation guide information and service manuals. Caterpillar acknowledges that specific project parameters may cause deviations from these guidelines. Exceptions to these guidelines are at the discretion of the manufacturer, operator, and owner of the compression package.Power Connections
A 24 VDC battery positive and negative must be provided to the engine. The connections are different between electric and air starters, as noted below.Electric Starter (Non-Canadian Standards Association)
Illustration 1 g03896532
(1) Battery (+) 1/2-13-2A stud
(2) Battery (-) 1/2-13-2A studAir Starter (Canadian Standards Association)
Illustration 2 g03896540
(3) Recommended hole locations on the sides of the enclosure
Punch a hole in the enclosure.
Route the power wires in a Canadian Standards Association (CSA) approved conduit.
Illustration 3 g03896541
(4) TB5 (24V -)
(5) TB6 (24V +)
Connect the 24 V - to the TB5 (4) and connect 24 V + to the TB6 (5).
Terminal blocks 5 and 6 wire range: 20 – 6 AWG
The wires must be sized to support a maximum current draw of 4 A
Caterpillar recommends that the wires be terminated with ferrulesAir Starter (Non-Canadian Standards Association)
Illustration 4 g03896579
(6) Battery (-)
(7) Battery (+)
Table 1
Power Lead Connectors
Description Connector Pin/Socket AWG
Battery (-) 127-5486 8N-1542 10
8N-1544 8
Battery (+) 127-5485 8N-1543 10
8N-1545 8 Use 4C-4075 Crimp Tool for crimping the pins and sockets to the wiring.Basic Wiring
Engine Interface Connector
The G3300B gas compression engine uses a 47-pin MS (mil spec) connector.
Illustration 5 g03896580
Non-CSA engine connector locations (right-hand side view of engine)
(8) Catalyst connector
(9) Customer connector
Illustration 6 g03896581
CSA engine connector locations (right-hand side view of engine)
(8) Catalyst connector
(9) Customer connector
(10) Ignition connector
(11) Service tool connector
Table 2
Interconnect Harness
Part Number Length
311-7100 4.5 m (15 ft)
311-7101 7.6 m (25