Caterpillar Mini Hydraulic Excavator 305.5E2

1. Install idler gear (2) in the reverse order of removal.

a. Ensure that the gears, cylinder block surface, and idler gear (2) are clean and free from wear or damage. If necessary, replace any components that are worn or damaged

b. Lubricate idler shaft (6) with clean engine oil.

c. Lubricate idler gear bearing surface (4) with clean engine oil.

d. Apply clean engine oil to bolts (5). ;

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.1. Insert the flywheel stopper tool.

4. Use Tooling (A) and a suitable lifting device to remove flywheel (2). The weight of flywheel (2) is approximately 25 kg (55 lb).

5. Remove remaining bolts (1) and flywheel (2).

6. Inspect flywheel (2) and ring gear (3) for wear and damage. Replace any worn components or damaged components.

7. If necessary, remove flywheel gear (3), follow Step 7.a through Step 7.b

Camshaft position sensor removed

Clamp (1) removed and hose assembly (2) disconnected

Nut (4) and lifting plate (3) removed

Clamp (6) removed and hose assembly (5) disconnected

Hose assembly (11) disconnected, bolts (9) and elbow (10) removed

Bolts (7), front housing (8), and the gasket removed

a. Remove valve mechanism cover.

1. Remove bolts (2) and rocker shaft assembly (1).

2. Place an identification mark on pushrods (3) to show the location. Remove pushrods (3).

Note: Identification mark will ensure that the pushrods can be installed in the original positions. Do not interchange the positions of used pushrods.

1. Install pushrods (3) and rocker shaft assembly (1) in the reverse order of removal.;

a. Remove electric starting motor.

b. Remove diesel particulate filter.

d. Remove crankshaft position sensor.

1. Remove bolts (1) and bracket assembly (2)

2. Remove bolts (3) and flywheel housing (4).