
2590759
2590778
2590796
3-117
Engine Tools
Cylinder Head, Valves and Cam Followers
7F-4292 Valve Spring Compressor Group
Model: 1100, 3100, 3208
Warranty: Six Months
• Usedtoremoveandinstallvalvespringsmanually
• Engineswithrecessedvalvespringchambersrequire7M-3976Adapter;1100
and 3100 Series and 3208 Engines require 8S-2277 Adapter Assembly
Part Number Description
7F-4292 ValveSpringCompressorGroup
7F-4291 Compressor Assembly
8S-2277 Adapter Assembly (1100, 3100 Series, 3208) (Not part of
7F-4292)
7M-3976 Adapter (D343, 1693) (Not part of 7F-4292)
9U-6144 Adapter Assembly
Model: 3064 and 3066 Engines
Warranty: Six Months
• Usedformanualremovalofvalve
springs (adapts 7F-4292 Compressor
Group to 3064 and 3066 Engines)
• Can also be used with 9U-6145 Air
Connectortoremovevalvesprings
withoutremovinghead
Reference
SENR5553,ServiceManual,3066Diesel
Engines
Part Number Description
9U-6144 Adapter Assembly
9U-6145 Air Connector
Model: 3064 and 3066 Engines
Warranty: Six Months
• Usedtoreplacevalvespringsand
guidesealswithoutremovingthe
head (allows on-engine replace-
ment)
• Airconnectortsintocylinder
head injector port to put shop air
intocombustionchamber(prevents
valvefromdroppingintocylinder
bore)
• Usedwith7F-4292ValveSpring
Compressor and 9U-6144 Compres-
sor Adapter
• Part of 9U-6274 Compression Test
Kit (connector can be ordered sepa-
rately if the test kit is not needed)
Reference
SENR5553,ServiceManual,3306Diesel
Engines
(Continued)