
2588668
2588698
2588714
3-68
Engine Tools
Crankshaft, Main Bearings and Flywheel
Bearing Cap Tools (Continued)
Model: 1100, 3100, 3208, D342, D379, D398, D399, 3512, D397, G397, D375, G375, D364, 3500
Warranty: Six Months
• 9U-5023MainBearingWrenchusedtoremoveandinstallcrankshaftmainbear-
ingson3500FamilyEngines;tsboth12.7mm(1/2in)diameterboltand19.05
mm(3/4in)diametermainbearingbolts;canbeusedthroughcrankshaftaccess
openinginsidesofblockwithoutremovingoilpanwhenconnectedtoshort
extensionand3/4inchdrivetorquewrench;nolongertsboltson17.15cm(6
3/4 in) bore engines (use 8M-9379 Wrench instead)
Item Part Number Description Socket Size (left end) Socket Size (right end) Drive Size
1 8S-5131 Adapter -- -- --
2 1D-5343 Wrench -- -- --
3 9U-5023 Main Bearing
Wrench
1 5/16 in 1 1/8 in 3/4 in
4 7F-1709 Wrench
1
-- -- --
5 8M-9379 Wrench -- -- --
1
Discontinued
284-5266 Spanner Wrench Assembly
Essential Tool
Model: C175 Engine
Warranty: Six Months
• Usedtoremoveandinstallmainbearingcapstuds
• Usedwith11/4inchsocketor1/2inchsquaredrivewrench
Reference
RENR7466, C175 Engine Disassembly and Assembly Manual
Part Number Description Pin-to-Pin Center Distance
284-5266 Spanner Wrench Assembly 16 mm (0.63 in)
Includes:
9X-8979 Dowel Pin --
3500 Engine Main Bearing Cap Removal/Installation Tool
Model: All 3500 Engines
Warranty: Six Months
• Usedinpairstoremoveandinstallmainbearingcap(makesoperationmuch
easier)
• Allowsonemechanictoremoveorinstallabearingcapweighingapproximately
16 kg (35 lb)
• Flexiblewireropemakesiteasiertoinserttoolthroughenginesidecovers
Application Procedure
1. Loosen all 4 bolts for the main bearing cap.
2. Removethe2outerboltsformainbearingcapandreplacewithtooling.
3. Hand tighten smaller threaded end until tooling bottoms out in cylinder block.
4. Adjust nuts and washers on tooling until washers contact main bearing cap.
5. Removethe2remaininginnerboltsformainbearingcap.
6. Loosennutsevenlyinordertolowercap.Lowercaptotheend
of the bolt to gain access to main bearing.
7. Reversetoprocessforinstallation.
(Continued)