harmonic balancer
Does anybody know if you need a special tool to remove the harmonic balancer, planning on doing the "KDP" next weekend. I do have a puller that I've used in the past but only on gas motors and dont know if its up to the task
Cummins Guru


Joined: Feb 2008
Posts: 4,191
Likes: 65
From: Sunny Southern California Land of Fruits and Nuts
Nope............ Just a 15mm socket and a strong arm.
GEAR HOUSING COVER
REMOVAL
1.Remove fan drive assembly.
2.Remove the fan belt Drive Belt Installation
3.Remove belt tensioner Drive Belt Installation
4.Remove oil fill tube and adaptor Oil Fill Tube
5.Remove vibration damper.
6.Remove the bolts that hold the gear cover to the gear housing.
7.Gently pry the cover away from the housing, taking care not to mar the gasket surfaces Gear Housing and Cover
8.Clean the old gasket residue from the back of the gear cover and front of the gear housing
INSTALLATION
1.Lubricate the front gear train with clean engine oil.
2.Thoroughly clean the front seal area of the crankshaft. The seal lip and the sealing surface on the crankshaft must be free from all oil residue to prevent seal leaks.
3.Install the gear housing cover and a new gasket.
4.Install the bolts but DO NOT tighten them at this time.
5.Use the alignment/installation tool from the seal kit to align the cover to the crankshaft Alignment/Installation Tool
6.Tighten the gear housing cover bolts to 24 N·m (18 ft. lbs.) torque.
7.Remove the alignment/installation tool. Always use a seal pilot when you install a seal.
8.Apply a bead of Loctite 277 to the outside diameter of the seal. Install the pilot from the seal kit onto the crankshaft. Install the seal onto the pilot and start into the gear housing cover. Remove the pilot.
9.Use the alignment/installation tool and a plastic hammer to install the seal to the correct depth. To prevent damage to the seal carrier, hit the alignment/installation tool alternately at the 12, 3, 6 and 9 o'clock positions.
10.Install the oil fill tube and mounting bolts. Tighten the bolts to 43 N·m (32 ft. lbs.) torque.
11.Install the vibration damper. DO NOT tighten the bolts to the correct torque valve at this time.
12.Install the belt tensioner. Tighten the mounting bolts to 43 N·m (32 ft. lbs.) torque.
13.Raise the belt tensioner to install the belt.
14.Tighten the vibration damper bolts to 125 N·m (92 ft. lbs.) torque. Use an engine barring tool to keep the engine from rotating during tightening operation.

GEAR HOUSING COVER
REMOVAL
1.Remove fan drive assembly.
2.Remove the fan belt Drive Belt Installation
3.Remove belt tensioner Drive Belt Installation
4.Remove oil fill tube and adaptor Oil Fill Tube
5.Remove vibration damper.
6.Remove the bolts that hold the gear cover to the gear housing.
7.Gently pry the cover away from the housing, taking care not to mar the gasket surfaces Gear Housing and Cover
8.Clean the old gasket residue from the back of the gear cover and front of the gear housing
INSTALLATION
1.Lubricate the front gear train with clean engine oil.
2.Thoroughly clean the front seal area of the crankshaft. The seal lip and the sealing surface on the crankshaft must be free from all oil residue to prevent seal leaks.
3.Install the gear housing cover and a new gasket.
4.Install the bolts but DO NOT tighten them at this time.
5.Use the alignment/installation tool from the seal kit to align the cover to the crankshaft Alignment/Installation Tool
6.Tighten the gear housing cover bolts to 24 N·m (18 ft. lbs.) torque.
7.Remove the alignment/installation tool. Always use a seal pilot when you install a seal.
8.Apply a bead of Loctite 277 to the outside diameter of the seal. Install the pilot from the seal kit onto the crankshaft. Install the seal onto the pilot and start into the gear housing cover. Remove the pilot.
9.Use the alignment/installation tool and a plastic hammer to install the seal to the correct depth. To prevent damage to the seal carrier, hit the alignment/installation tool alternately at the 12, 3, 6 and 9 o'clock positions.
10.Install the oil fill tube and mounting bolts. Tighten the bolts to 43 N·m (32 ft. lbs.) torque.
11.Install the vibration damper. DO NOT tighten the bolts to the correct torque valve at this time.
12.Install the belt tensioner. Tighten the mounting bolts to 43 N·m (32 ft. lbs.) torque.
13.Raise the belt tensioner to install the belt.
14.Tighten the vibration damper bolts to 125 N·m (92 ft. lbs.) torque. Use an engine barring tool to keep the engine from rotating during tightening operation.
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