
2596622
2596638
2596654
3-277
Engine Tools
Fuel System Repair and Adjust
6V-7942 Hook
Model: Cat
®
Engines
Warranty: Six Months
• Used to pull rack against rack cen-
teringpinonengineswithnegative
rack settings
• Necessary because on some of
theseengines,overfuelingspring
maynotmoverackagainstcenter-
ing pin
Part Number Description
6V-7942 Hook
158-8665 Rack Set Tool
Essential Tool
Model: 3034 Engines
Warranty: Six Months
• Used to adjust maximum fuel setting
if timing case or fuel pump linkage
areremovedorrepaired
Reference
SENR5013, Disassembly and Assembly of
3034 Engine
Part Number Description
158-8665 Rack Set Tool
9U-5296 Rack Positioning Assembly
Model: 3204, 3300, and 3406 Series NSFS (Non-PEEC) Engines
Warranty: Six Months
• Used to set injection pump rack while pump is being tested on test bench
• Used with FITB, FIETS, and AVM test benches
Reference
NEHS0639, Tool Operating Manual
Overalllength 171.4 mm (6.75 in)
Thread size 1/4 - 28
Bolt hole diameter 7.5 mm (0.30 in)
Distance between holes 63.6 mm (2.50 in)
Servicepart 6V-8187 Nut
Part Number Description
9U-5296 Rack Positioning Assembly
1
1
Non-PEEC, 3406B and 3406C Rack Adjustment