CONTROL LINKAGES

CONTROL LINKAGE INSPECTION

Condition Code Procedure

Attaching hardware

broken ................. A .. Require repair or replacement

of hardware.

Attaching hardware

missing ................ C ......... Require replacement of

hardware.

Attaching hardware not

functioning ............ A . Require repair or replacement

of hardware.

Bent .................... A . Require repair or replacement.

Binding ................. A . Require repair or replacement.

Bracket bent, affecting

performance ............ A . Require repair or replacement.

Bracket bent, not

affecting performance .. .. ....... No service suggested or

required.

Bracket broken, affecting

performance ............ A ........... Require replacement.

Bracket broken, not

affecting performance .. .. ....... No service suggested or

required.

Bracket corroded,

affecting performance .. A . Require repair or replacement.

Bracket corroded, not

affecting performance .. 2 . Suggest repair or replacement.

Bracket cracked, affecting

performance ............ A . Require repair or replacement.

Bracket cracked, not

affecting performance .. 1 . Suggest repair or replacement.

Bracket holes elongated,

affecting performance .. A . Require repair or replacement.

Bracket holes elongated,

not affecting

performance ............ .. ....... No service suggested or

required.

Bracket loose, affecting

performance ............ A . Require repair or replacement.

Bracket loose, not

affecting performance .. 1 . Suggest repair or replacement.

Bracket missing ......... C ........... Require replacement.

Broken .................. A ........... Require replacement.

Cracked ................. A . Require repair or replacement.

Disconnected ............ A . Require repair or replacement.

Missing ................. C ........... Require replacement.

Noisy ................... 2 . Suggest repair or replacement.

Out of adjustment ....... B .......... (1) Require repair or

replacement.

Seized .................. A . Require repair or replacement.

(1) - Follow OEM recommended adjustment procedures. Require

repair or replacement if out of specification.

CONTROL MODULES

NOTE: Includes, but not limited to: IRCM, Coolant Fan Control

Module (CFCM), AC Controller, Amplifier, Programmers,

Control Heads, Power Modules, etc.

CONTROL MODULE INSPECTION

Condition Code Procedure

Application incorrect ... B ............ Require replacement.

Attaching hardware

missing ................ C .......... Require replacement of

hardware.

Attaching hardware

threads damaged ........ A ... Require repair or replacement

of hardware.

Attaching hardware

threads stripped

(threads missing) ...... A ... Require repair or replacement

of hardware.

Code set

(if applicable) ........ A .......... (1) Further inspection

required.

Connector broken ........ A .. Require repair or replacement.

Connector melted,

affecting performance .. A ........... (2) Require repair or

replacement.

Connector melted, not

affecting performance .. 2 ........... (2) Suggest repair or

replacement.

Connector missing ....... A ................. Require repair.

Contaminated ............ A ........... (3) Require repair or

replacement.

Inoperative ............. B ........... (4) Require repair or

replacement. Further

inspection required.

Leaking ................. A .. Require repair or replacement.

Missing ................. C ............ Require replacement.

Terminal broken ......... A .. Require repair or replacement.

Terminal burned, affecting

performance ............ A ........... (2) Require repair or

replacement.

Terminal burned, not

affecting performance .. 2 .. Suggest repair or replacement.

Terminal corroded,

affecting performance .. A .. Require repair or replacement.

Terminal corroded, not

affecting performance .. 2 .. Suggest repair or replacement.

Terminal loose, affecting

performance ............ B .. Require repair or replacement.

Terminal loose, not

affecting performance .. 1 .. Suggest repair or replacement.

Threads damaged ......... A .. Require repair or replacement.

Threads stripped (threads

missing) ............... A ............ Require replacement.

Wire lead conductors

exposed ................ B .. Require repair or replacement.

Wire lead corroded ...... A .. Require repair or replacement.

Wire lead open .......... A .. Require repair or replacement.

Wire lead shorted ....... A .. Require repair or replacement.

(1) - Refer to manufacturer's diagnostic trouble code

procedure and require repair or replacement of

affected component(s).

(2) - Determine cause and correct prior to repair or

replacement of part.

(3) - Determine source of contamination, such as engine coolant,

fuel, metal particles, or water. Require repair or

replacement. Check for accepted cleaning procedure.

(4) - Inoperative includes intermittent operation or out of

OEM specification. Some components may be serviceable.

COOLANT

COOLANT INSPECTION

Condition Code Procedure

Acidity (pH) incorrect .. 1 ........... Suggest correction or

replacement.

Contaminated ............ B ...... (1) Require replacement or

recycling. Further

inspection required.

Level incorrect ......... B .......... (2) Require filling to

proper level.

Maintenance intervals ... 3 ........ (3) Suggest replacement.

Mixture incorrect ....... B ........... Require correction or

replacement.

Type incorrect .......... B ............ Require replacement.

(1) - Determine source of contamination and require correction

prior to coolant replacement.

(2) - Determine source of incorrect level and suggest repair.

(3) - The system should be drained and/or flushed and

refilled with correct coolant according to OEM

recommended service interval and procedures.

COOLING FAN BLADES

COOLING FAN BLADE INSPECTION

Condition Code Procedure

Application incorrect ... B ............ Require replacement.

Attaching hardware

broken ................. A ... Require repair or replacement

of hardware.

Attaching hardware

missing ................ C .......... Require replacement of

hardware.

Attaching hardware not

functioning ............ A ... Require repair or replacement

of hardware.

Bent .................... A ............ Require replacement.

Broken .................. A ............ Require replacement.

Cracked ................. A ............ Require replacement.

Loose ................... A .. Require repair or replacement.

Missing ................. C ............ Require replacement.

COOLING FAN CLUTCHES

NOTE: Some lateral movement, measured at the fan blade tip, may

be normal.

COOLING FAN CLUTCH INSPECTION

Condition Code Procedure

Application incorrect ... B ............ Require replacement.

Attaching hardware

broken ................. A ... Require repair or replacement

of hardware.

Attaching hardware

missing ................ C .......... Require replacement of

hardware.

Attaching hardware not

functioning ............ A ... Require repair or replacement

of hardware.

Bearing noisy ........... A ............ Require replacement.

Bearing worn ............ A ............ Require replacement.

Fastener loose .......... A ... Require repair or replacement

of fastener.

Inoperative ............. A ........ (1) Require replacement.

Leaking ................. 1 ............ Suggest replacement.

Seized .................. A ............ Require replacement.

Slips (insufficient fan

speed) ................. A ............ Require replacement.

Thermal control

incorrect .............. B .. Require repair or replacement.

(1) - Inoperative includes intermittent operation or out of

OEM specification.

COOLING FAN MOTORS

COOLING FAN MOTOR INSPECTION

Condition Code Procedure

Attaching hardware

broken ................. A ... Require repair or replacement

of hardware.

Attaching hardware

missing ................ C .......... Require replacement of

hardware.

Attaching hardware not

functioning ............ A .. Require repair or replacement

of hardware.

Connector broken ........ A .. Require repair or replacement.

Connector (Weatherpack

type) leaking .......... A .. Require repair or replacement.

Connector melted,

affecting performance .. A ........... (1) Require repair or

replacement.

Connector melted, not

affecting performance .. 2 ........... (1) Suggest repair or

replacement.

Connector missing ....... C ............ Require replacement.

Hydraulic fan motor

leaking ................ A .. Require repair or replacement.

Inoperative ............. A ........ (2) Require replacement.

Missing ................. C ............ Require replacement.

Noisy ................... 2 ............ Suggest replacement.

Rotation incorrect for

application ............ B .. Require repair or replacement.

Terminal broken ......... A .. Require repair or replacement.

Terminal burned, affecting

performance ............ A ........... (1) Require repair or

replacement.

Terminal burned, not

affecting performance .. 2 .. Suggest repair or replacement.

Terminal corroded,

affecting performance .. A .. Require repair or replacement.

Terminal corroded, not

affecting performance .. 2 .. Suggest repair or replacement.

Terminal loose, affecting

performance ............ B .. Require repair or replacement.

Terminal loose, not

affecting performance .. 1 .. Suggest repair or replacement.

Vibration ............... 1 ............ Suggest replacement.

Wire lead conductors

exposed ................ B .. Require repair or replacement.

Wire lead corroded ...... A .. Require repair or replacement.

Wire lead open .......... A .. Require repair or replacement.

Wire lead shorted ....... A .. Require repair or replacement.

(1) - Determine cause and correct prior to repair or

replacement of part.

(2) - Check fan motor/controls. Inoperative includes

intermittent operation or out of OEM specification.