John Deere Engines Piston and Connecting Rod Installation Guide

 John Deere engines   piston  and   connecting rod installation Guide


NOTE: Pistons must be installed in the cylinder liner
from which they were removed.



1. Coat pistons and rings with clean engine oil. Install
pistons in liners, using JDE84 piston ring compressor.
NOTE: Make sure that “FRONT” mark (A) on the top of
each piston faces toward front end of cylinder
block.

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2. Push piston down until top ring is in liner.

 

 

   3. Install bearing inserts, making sure small tangs (B) on
each half of the inserts fit in recess of rod and cap.

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4. Install cap so that large slot in cap (C) fits large tang
(D) on connecting rod.


5. Dip NEW connecting rod cap screws in clean oil and
tighten them alternately to following torques:
IMPORTANT: NEVER use connecting rod cap screws
more than once.
• 3029, 4039 and 6059 engines:
Initially tighten cap screws to 56 N·m (40 lb-ft)
• 4045 and 6068 engines:
Initially tighten cap screws to 66 N·m (50 lb-ft)

6. Torque-turn all cap screws 90—100 degrees. (See
next module).
CD,3274,G10,16 -19-20FEB92

Cummins Fire Pump Drive Physical Engine Installation Guide

 This article mainly introduces  CFP83 SERIES Fire Pump Drive  Physical Engine 

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Installation Guide
Location
Refer to Drawing CFP83 GEN in Section 13 for the general fire pump and engine layout.
Refer to the following drawings in Section 13 for the general fire pump engine power module assembly:

WARNING Do not operate a diesel engine where there are or can be combustible vapors. These vapors can be sucked through the air intake system and cause engine acceleration and overspeeding, which can result in a fire, an explosion, and extensive property damage. Numerous safety devices are available, such as air intake shutoff devices, to minimize the risk of overspeeding in which an engine, because of application, might operate in a combustible environment (from a fuel spill or gas leak, for example).
Cummins Engine Company, Inc. does not know how you will use your engine. The equipment owner and operator, therefore, are responsible for safe operation in a hostile environment. Consult your Cummins Authorized Repair Location for further information.
Install the fire pump engine in a sheltered environment protected from extremes of weather. Any enclosure must protect the water supply from freezing. Ensure that the engine and electrical components are not exposed to significant water dripping or sprays. Avoid installation in a dusty or dirty environment. Provide adequate physical protection from other physical damage as may be present in the specific location. (Refer to National Fire Protection Association NFPA20-2003 Chapter 11 for additional installation requirements for installations in the USA.)
Design the installation to meet the engine's mounting requirements. Refer to General Engine Data in Section o. Install the engine on a stable level foundation that is designed for the load and vibration of pump operation.
Install the engine with ample room for servicing of the engine, the pump, fuel supply, and support systems.
Ensure that the engine location is free of any risk of exposure to combustible vapors.

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Physical Installation
Use the supplied lifting hooks on the engine to
position the engine.
Provide engine support as required to support
the wet weight specified in General Engine
Data in Section 10.
Position the engine as required for the interface
with the pump, piping, and electrical
connections.
Level the installation with shims as required.
Secure the engine to the support or floor.
Connect the exhaust piping

Bobcat STEERING LEVERS Removal and Installation Guide

                              Bobcat 741_742_742B_743_743B_743DS STEERING LEVERS
Removal and Installation guide

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NOTE:      Early production machines used 3-piece assembly.
Current production machines use 1-piece shield which
must be removed as a unit.
Remove the front panel

Remove the bolts and remove both side shields 00.

Remove the bolts from the steering lever shield (g & [Q].

Remove the steering linkage at the steering levers

Disconnect the auxiliary linkage from the right steering lever
lID

Remove the bolts (Item 1) from the pivot bearings 'Cl.
Installation: Tighten the bolts to 25-28 ft.-Ibs. (34-38 Nm)
torque.

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Remove the steering lever assembly @.

Repairing the Steering Levers
Remove the rubber bushing and the Teflon bushing from the
steering levers.
Install the new rubber bushings into the steering levers using
two sockets and a vise ~l

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Install the Teflon bushings on the steering levers [!!).

Install the two steering lever assemblies together ~.
Check the pivot bearings and replace as needed.

JCB Excavator 3CX 4CX Changing the Oil and Filter Guide

                       JCB Excavator 3CX 4CX  Changing the Oil and Filter Guide

When draining JCB 760 Series Powershift gearboxes it is
recommended that the oil is drained through the cover plate
A to make sure that the debris collected in the transmission
sump is flushed out. Draining oil through the sump plug will
filter oil through the strainer and not flush out the debris.

                                 WARNING!
Make the machine safe before getting beneath it. Lower
the attachments to the ground; engage the parking
brake; remove the starter key, disconnect the battery.

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 1 Park the machine on firm level ground, apply the park
brake. Lower the loader arms, open the engine bonnet,
raise the loader arms and fit the safety strut. Lower the
excavator to the ground, switch OFF the engine and
remove the starter key.
2 Apply the parking brake and disconnect the battery,
remove the engine side panels.
3 Place a container of suitable size beneath the
transmission to catch the oil.
4 Remove bolts B. Pull off cover plate A and gasket C,
allow the oil to drain into the container. Be aware that
the oil may be hot.
Note: When the cover is removed oil will gush out. Keep to
one side when you remove the cover plate.

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5 Fit cover plate A and a new gasket C. Apply JCB
Threadlocker and Sealer to bolts B before fitting them.
Torque tighten the bolts to 28 Nm (20.5 lbf ft.).
6 Unscrew and remove the filter D. Fit the new filter:
6.1 Smear seal E with transmission oil.
6.2 Screw the filter on until it just contacts the filter
head.
6.3 Turn the filter at least another 3/4 of a turn.
7 Fill the system with new oil through the dipstick/filler F.
Do not fill past the top mark on the dipstick.
8 On completion check for oil leaks.
Note: Fit only a genuine supplied JCB filter, otherwise
damage to the system may be incurred through
contamination.