Fuel Injection Control Linkage

FRONT DRIVE HOUSING

REMOVE FRONT DRIVE HOUSING 115111zit

Tools Needed A B C 6V2156 Link Bracket 2 1P74 Slide Hammer and Puller 1 8B7557 Threaded Adapter 1 1P520 Drive Group 1

start by: a) remove oil filter housing b) remove crankcase breather c) remove front crankshaft seal and wear sleeve d) remove accessory drive (front) e) remove governor drive.

NOTE: Make sure there is a new front crankshaft seal and wear sleeve before the front drive housing is removed. Anytime the front seal is removed from the wear sleeve, a new seal and sleeve must be installed.

1. Remove oil tube (I) from the engine.

2. Fasten a hoist to support (2) with tooling (A) and remove support (2) from the drive housing. The weight of the support is 102 kg (225 lb.).

3. Remove elbow (3) and tube (4) as a unit from the engine.

4. Remove the bolts and use tooling (B) to remove shaft (6) and idler gear (5) from the drive housing.

5.If necessary, use tooling (C) to remove the bearing from idler gear (5).

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FRONT DRIVE HOUSING

6. Remove washer (7) from the inside of the drive housing.

7. Remove bolt (9) and washer to remove clip (8) from the drive housing.

8. Remove cover (11) from the drive housing

9. Remove all of the bolts that hold the oil pan to the engine. Install 3/8"-16 NC guide bolts in each side of the oil pan. Fasten a hoist to the engine and lift the engine approximately 12E mm (0.5 in.) off of the oil pan. Put two 50 mm.-66 wide x 100 mm long x 6 mm thick (2 in. wide x 4 in. long x l/4 in. thick) plates in position between the cylinder block and the oil pan on each side of the engine. Lower the engine on the plates and remove the hoist. The weight of the 3512 2 Engine is approximately 5443 kg (12, 000 lb.). The weight of the 3508 Engine is 4445 kg (9800 lb.).

NOTICE.

Fuel control linkage (10) must be moved for clearance to pull the front drive housing from the engine or damage to parts can be the result.

10.Fasten a hoist to front drive housing (12) with tooling (A). Remove bolts (13) and the remainder of the bolts that hold housing (12) in_ 1 position. Remove front drive housing (1 2) from the engine. The weight of the housing is 209 kg (460 lb.).:

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FRONT DRIVE HOUSING

INSTALL FRONT DRIVE HOUSING 1157-12

Tools Needed A B 6V2156 Link Bracket 2 1P520 Drive Group 1

1. Put the housing gasket in position on the front of the cylinder block. Install two 5/8"11 NC guide bolts (1) in the cylinder block.

2. Fasten a hoist to front drive housing (2) with tooling (A). Put housing (2) in position on the guide bolts and install the bolts to hold it in position. Remove the guide bolts and install the remainder of the bolts. Tighten all of the bolts evenly and cut the housing gasket even with the bottom of the cylinder block.

3. Fasten a hoist to the engine and lift the engine enough to remove the plates between the cylinder block and the oil pan.

If the oil pan gasket damaged, the engine will have to be removed from the oil pan to make a replacement of the gasket. Lower the engine on the oil pan and remove the guide bolts of the oil pan. Install all of the bolts that hold the oil pan to the engine.

4. Put clean engine oil on the O-ring seals and install cover (3) on the drive housing.

5. Put washer (4) in position inside the drive housing.

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FRONT DRIVE HOUSING

6. Use tooling (B) and a press to install the bearing in idler gear (5). Check the bore in the bearing after assembly. The bore in the bearing must be 90.00 + 0.06 mm (3.543 + .002 in.).

7. Put clean engine oil on the O-ring seal on shaft (6). Install idler gear (5) and shaft (6) in the front drive housing.

8. Make sure the gasket and seals are in position and install aftercooler water line (7) on the engine. Install clip (8) on the drive housing.

9. Install oil tube (9) on the engine.-4.

10. Fasten a hoist to support (10) with tooling (A)’ and put it in position on the front drive housing. Install the bolts to hold the support in position.

NOTE: Anytime the front crankshaft seal and wear sleeve are removed a new seal and wear sleeve must be installed. end by:

a) install oil filter housing b) install crankcase breather c) install front crankshaft seal and wear sleeve d) install accessory drive (front) e) install governor drive

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FLYWHEEL

REMOVE FLYWHEEL1156-11

Tools Needed A 6V2157 Link Bracket 2’

1. Fasten a hoist to the flywheel with tooling (A).

2. Remove flywheel (2) from the engine. The NF guide bolts 11 in. long in their place. Remove the remainder of bolts (I).

3. If necessary, install a 5/8"- 1 NC forged eye-bolts in each side of the flywheel and use a pry bar to remove the flywheel from the pilot on theW5 crankshaft.

4. Remove flywheel (2) from the engine. The weight of the 3512 Flywheel is 167 kg (370 lb.). The weight of the 3508 Flywheel is 126 kg (280 lb.).

INSTALL FLYWHEEL 1156-12

Tools Needed A 6V2157 Link Bracket 2

1. If the flywheel ring gear has damage, a replacement can be made as follows: a) Heat the ring gear to a maximum temperature of 316° C (6000 F) and install it on the., flywheel so the chamfer of the gear teeth will be toward the starter pinion when the flywheel is installed.

2. Install two 1"-14 NF guide bolts 11 in. long in the end of the crankshaft.

3. Fasten a hoist to flywheel (1) with tooling (A) and put it in position on the guide bolts. Make sure the mark on the flywheel is in alignment with the mark on the crankshaft.

4. Put clean engine oil on the threads of bolts (2) and install them to hold the flywheel in place. Tighten bolts (2) to a torque of 1 150 + 30 N-m (848 + 22 lb. ft.).

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FLYWHEEL HOUSING

REMOVE FLYWHEEL HOUSING 1157-11

Tools Needed A B 8B7548 Puller Assembly 1 8B7559 Threader Adapter 2 8B7561 Step Plate 1 8H684 Ratchet Box Wrench 1 5P9736 Link Bracket 1

start by a) remove exhaust elbow’ b) remove tachometer drive c) remove crankshaft rear seal and wear sleeve

NOTE: Make sure there is a new rear crankshaft seal and wear sleeve before the housing is removed. Anytime the seal is removed from the wear sleeve a new sleeve and seal must be installed.

1. Remove brackets (1) and (2) from the engine.

2. Use tooling (A) to remove the camshaft drive gears from the camshafts.

3. Drain the oil from the oil pan.

4. Remove all of the bolts that hold the oil pan to., the engine. Install two 3/8"-16 NC guide bolts in each side of the oil pan. Fasten a hoist to the engine and lift the engine approximately 12 mm (0.5 in.) off of the oil pan. Put two 50 mm wide x 100 mm long x 6 mm thick(2 in. wide x 4 in. long x l/4 in. thick) plates in position between the cylinder block and the oil pan on each side of the engine. Lower the engine. Lower the engine on the plates and remove the hoist. The weight of the 3512 Engine is approximately 5443 kg (12, 000 lb.). The weight of the 3508, Engine is 4445 kg (9800 lb.).

5. Use tooling (B) to fasten a hoist to the flywheel housing. Remove the bolts and remove flywheel housing (3) from the engine. The weight of the housing is 245 kg (540 lb.).

6. Remove O-ring seal (4) from the engine block.

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