Service Manual

Air Governor (Air Compressor Will Not Pump) ISB, ISBe and QSB (Common Rail [...]
Page 12-30 Section 12 - Compressed Air System - Group 12
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Install the four air compressor support bracket mounting
capscrews and finger-tighten.
Tighten the air compressor support bracket mounting
capscrews in the sequence shown.
Torque Value: 24 N•m [ 212 in-lb ]
Finishing Steps
WARNING
Batteries can emit explosive gases. To reduce the
possibility of personal injury, always ventilate the
compartment before servicing the batteries. To
reduce the possibility of arcing, remove the negative
(-) battery cable first and attach the negative (-)
battery cable last.
WARNING
Coolant is toxic. Keep away from children and pets. If
not reused, dispose of in accordance with local
environmental regulations.
• Install any driven equipment removed to the back of
the air compressor, if equipped.
• Install or connect the air governor. See equipment
manufacturer service information.
• Install the air connections to the air compressor. Refer
to Procedure 012-004 in Section 12.
• Install the coolant lines. Refer to Procedure 012-004 in
Section 12.
• Fill the cooling system. Refer to Procedure 008-018 in
Section 8.
• Connect the batteries. See equipment manufacturer
service information.
• Operate the engine and check for leaks.
Air Governor (Air Compressor Will Not
Pump) (012-017)
Inspect for Reuse
Verify the air governor signal line is plumbed correctly to
the unloader port on the air compressor.
Disconnect and inspect the line for kinks, cuts, nicks or
plugging inside the line.
Verify all unused ports (1) on the air governor are plugged
except the exhaust port. The exhaust port (2) must be
vented to the atmosphere at all times.