Series 40E – Section 10.1 Air Compressor

Section 10.1
Air Compressor

The air compressor is provided by the OEM. ‪

A six-bolt design air compressor mounting base, mounting bracket and gasket are used on engines equipped with a belt-driven air compressor.‪

Section 10.1.1
Repair or Replacement of Air Compressor

To determine if repair or replacement is necessary, contact the OEM.‪

Section 10.1.1.1
Inspection of Air Compressor

Inspect the air compressor for cracks or other physical damage. If necessary, replace.‪

Section 10.1.2
Installation of Air Compressor

Follow the OEM instructions to install the air compressor. A typical mounting is illustrated. See Figure "Air Compressor Mounting " .‪

Note: Do not over-torque the air compressor mounting bolts. Over-torque will result in fracturing the front cover.

1. Air Compressor‪	3. Mounting Bolts (2)‪
2. Front Cover‪	‪

Figure 1. Air Compressor Mounting

Section 10.1.3
Installation of Air Compressor Bracket

Install the air compressor bracket as follows:‪

1. Place the air compressor bracket against the crankcase; then slide forward to the air compressor mounting face. Install two (2) bolts and finger-tighten to secure bracket to crankcase. See Figure "Installing the Air Compressor Bracket" .
   

   1. Mounting Bolts (2)‪	3. Air Compressor‪
   2. Air Compressor Bracket‪	‪

   Figure 2. Installing the Air Compressor Bracket

2. Secure air compressor bracket to air compressor using two (2) bolts and two (2) washers. Torque to specifications. See Figure "Securing the Air Compressor Bracket" .
   

   1. Air Compressor‪	3. Power Steering Pump Bracket‪
   2. Tail Bracket‪	‪

   Figure 3. Securing the Air Compressor Bracket

3. Torque two (2) bolts securing bracket to crankcase. Refer to "Additional Information" 10A, Specifications. See Figure "Securing the Rear Air Compressor Bracket" .
   

   1. Air Compressor‪	3. Tail Bracket‪
   2. Bracket‪	‪

   Figure 4. Securing the Rear Air Compressor Bracket

4. Install two (2) coolant hoses to air compressor and to crankcase. See Figure "Installing Coolant Hoses" .
   

   1. Air Compressor‪	3. Coolant Fitting‪
   2. Coolant Hose‪	‪

   Figure 5. Installing Coolant Hoses

5. Install lubrication line to air compressor and tighten nuts in two places.
6. Using two (2) bolts, mount steering pump to air compressor and tighten bolts.

Section 10.1.4
Installation of Fan Drive and Pulley

Install the fan drive and pulley as follows:‪

1. Mount fan drive hub to the front cover. Secure with four (4) mounting bolts.
2. Mount the fan drive pulley to the fan hub and torque. Use a special holding tool, purchased locally.

Section 10.1.5
Installation of Auto Belt Tensioner

Install the auto tensioner to the front cover as follows:‪

1. Locate recess on front cover and mount tensioner with locating pin at recess. See Figure "Auto Belt Tensioner" .
2. Install bolt and secure to front cover. Ensure the bolt is 80 mm (3-1.8 in.) and torque.
   

   1. Recess‪	3. Bolt‪
   2. Tensioner‪	4. Locating Pin‪

   Figure 6. Auto Belt Tensioner