Removal Procedure
- Tilt the cab. Refer to
Cab Tilting
in General Information.
- Discharge and recover the refrigerant from the system. Refer to Refrigerant Recovery and Recharging
.
- Remove the drive belt.
- Remove the electrical connector from the compressor, as necessary.
- Remove the compressor
block fitting bolt and washer.
Important: When removing sealing washers, keep dirt and foreign material from getting
on the following sealing surfaces:
Clean all of the sealing surfaces with a lint-free rag.
- Remove the compressor sealing washers. Discard the compressor sealing
washers.
- Remove the refrigerant hoses.
- Remove the idler pulley
adjusting bolt.
- Remove the bolts from the mounting bracket.
Installation Procedure
- Fill the compressor. Refer to
Refrigerant Oil Distribution Specifications
.
- Position the compressor
on the mounting bracket.
- Install the bolts on the mounting bracket. Do not tighten at this
time.
Important: When installing the sealing washers, keep dirt and foreign material
from getting on the following sealing surfaces:
Clean all of the sealing surfaces with a lint-free rag.
Do not reuse the sealing washers.
Do not oil the sealing washers prior to assembly.
- Install new sealing washers onto the pilots of the fittings. Ensure
that the washers bottom against the surface of the fittings.
- Install the refrigerant
hoses on the compressor hose block fitting bolt and washer.
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
- Hold the block in
place. Hand tighten the compressor hose block fitting bolt.
Tighten
Tighten the compressor hose block fitting bolt to 35 N·m
(26 lb ft).
- Install the mounting bracket bolts.
Tighten
Tighten the mounting bracket bolts to 22 N·m (16 lb ft).
- Install the electrical connector to the compressor.
- Install the drive belt and idler pulley adjusting bolt.
- Install the electrical connector to the compressor.
- Install the drive belt and the idler pulley adjusting bolt.
Tighten
Tighten the idler pulley nut to 39 N·m (29 lb ft).
- Install the refrigerant to the system. Refer to Refrigerant Recovery and Recharging
.
- Lower the cab. Refer to
Cab Tilting
in General Information.