Caterpillar Motor Grader Series 14-16 Technician ChecklistTransmission and Differential Removal and Installation{0372, 0374, 3258, 3258} Caterpillar

Caterpillar Motor Grader Series 14-16 Technician ChecklistTransmission and Differential Removal and Installation{0372, 0374, 3258, 3258}

Usage:

14E 12K

Motor Grader:: 14E (S/N: 72G1-UP; 12K1-UP); 14G (S/N: 96U1-UP); 14H (S/N: ASE1-UP; 7WJ1-UP); 14M (S/N: B9J1-UP; R9J1-UP); 16 (S/N: 49G1-UP); 16G (S/N: 93U1-UP); 16H (S/N: 6ZJ1-UP; ATS1-UP); 16M (S/N: R9H1-UP)

Introduction

These checks are required for component removal and installation. Initial check after completion.

Note: Service literature procedures, specific to the model and serial number, must be used in this process. The checklist does not substitute procedures for the procedures given in the service literature.

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Table 1
Customer Name/ Location	Machine Unit Number	Machine Serial Number	Machine Service Meter Hours	Work Order Number
/

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Table 2
Tracking Data	Transmission Removed	Transmission Installed	Differential Removed	Differential Installed
Serial Number
CID Number ⁽¹⁾
Source/Rebuilder ⁽²⁾

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^( 1 )	CID (Component Identification) is the number assigned to the component by the user/dealer.
^( 2 )	Suorce/Rebuilder is either NEW, REMAN, DLR (Dealer Rebuilt), or CUST (Customer Rebuilt).

Checklist

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Table 3

1.	Record Complaint:


2.	Pre-repair contamination control.
	A.	High-pressure wash the rear half of the motor grader to remove all dirt/debris.
	B.	Maintain a well-organized work area and plan to contain all fluid spills.
	C.	Keep components in original shipping package until installation, to keep clean.
	D.	Verify new parts cleanliness. Assure that they are cleaned, capped, and protected against dirt.

3.	Investigate transmission history or failure cause, if appropriate.
	A.	Question the operator on application, operating conditions, and history. Review SOS history.
	B.	Review engine and transmission ECM's for detected faults – record in work order folder.
	C.	Take SOS Sample refer to: Contamination Control Guidelines, SEBF8482, "Obtaining Oil Sample for Analysis". Drain the differential and transmission reservoirs and visually check oil for water, coolant, or debris contaminants.
	D.	Remove/inspect system filters/screens and save any contamination evidence.

4.	If the transmission or differential failed generating metal/debris, remove, clean, and inspect/repair the transmission, transfer gears, differential, and final drives. Clean the power train oil reservoirs and all vulnerable oil system screens/components (reference the System Operations manual). Use the Caterpillar R&I checklists as needed.

5.	High-pressure wash the machine area around the transmission and differential, before and after removal.

6.	Cover and cap all cleaned and reused components until installed to prevent dirt entry. Cover all removed component cores with plastic sheets until shipping covers are available.

7.	Thoroughly clean the transmission and differential mounting surfaces. Thoroughly clean all bevel gear case cavities. Use lint-free towels to clean/check cleanliness. * Immediately cover openings to keep clean.
7.	Supervisor sign-off required.

8.	Inspect transmission/differential mounting areas and machine frame for wear, stripped threads, cracks, or deformation. Repair/replace and paint as needed.

9.	Inspect and clean or replace system hoses/tubes. Clean with CAT hose cleaner group. Refer to Tool Operating Manual, NEHS0643, "Using the 233-7191, 233-7192, 233-7193 and 265-4959 hose cleaning groups" and Contamination Control Guidelines, SEBF8485, "Cleaning Fluid-Carrying Hose and Tube Assemblies In Shop and Field Applications". Use new clamps (torque to spec), o-ring seals, and gaskets.

10.	Inspect the transmission filter bypass and bypass indicator for correct operation.

11.	Inspect /replace electrical connectors and harnesses for loose pins, brittleness, and fatigue.

12.	Install standard 6-micron filter in the transmission/differential system. Use as a clean-up filter for at least 8 hours operation time.					Filter part number:

13.	Install a new or rebuilt power train oil cooler and oil pump.

14.	Clean/protect all mounting surfaces and exposed cavities of the replacement transmission/differential.

15.	Transfer all covers/plugs to the removed component cores and pack into shipping containers to prevent damage and dirt entry. Tag with completed Cat dealer core tag.

16.	Fill transmission and differential with oil meeting ISO --/16/13 cleanliness level.

17.	Check engine and transmission speeds and pressures. Refer to procedures detailed in the Testing and Adjusting manuals.

		Engine Speed			Transmission
		Low Idle		High Idle	Pump Pressure		Lube Pressure
	Spec
	Test
	4000 Hour Check

18.	Before releasing machine, test the transmission/differential system oil for cleanliness. Kidney-loop filtration may be required to achieve ISO cleanliness level of --/18/15 refer to Contamination Control Guidelines, SEBF8461, "Filtration Procedure for Transmission Oil on Motor Graders Without Ecology Drain". Attach particle a count printout and record test results:____________.

19.	After 8 hours of operation without bypassing the filter, inspect the transmission/ differential clean-up filter and install a new standard filter. After 8 hours of operation, check component and related systems for leaks. After one running shift and within 24 clock hours of installation, take a transmission system oil sample and send to the Cat dealer, with this checklist, completed and signed. At 4,000 operating hours, perform tests in Step 17 and report the results to the Cat dealer.					Filter part number:





Technician Name:			Signature:				Date: