Skytrak 6042 Service Manual User Manual download pdf (Page 295)

100

101

8.63

Model 6042 Legacy Origin 7/02

Hydraulic System

2. A special steel sleeve made from 1-1/2" (38,1 mm)

diameter round steel bar stock, 4-5/8" (117,5 mm) in

length as shown in Fig. 8-30. This sleeve is used to

insert the drive shaft through the lip seal without

causing damage.

Figure 8-30 Special Steel Sleeve Dimensions

3. A lip seal installation bar made from 1-3/4" (44,5 mm)

diameter round steel bar stock, 2" (50,8 mm) long.

Grind the edges slightly to form the tool.

4. The following tools will also be required:

• Arbor Press

• Awl

• Clean, Lintless Cloths

• Metal Deburring Tool

• Machinist’s Hammer

• Soft Hammer

• Non-Hardening Sealant (Permatex

Aviation

Form-A-Gasket No. 3 or equivalent)

• Medium-Grit Carborundum Stone

• Oil and Grease

• Snap-Ring Pliers

• Scale, 1/32" (0,79 mm) or

1/64" (0,40 mm) Graduations

• Small Screwdriver

• Torque Wrench

• Vise with 8" Minimum Open Spread

c. General Repair Precautions

1. To facilitate repair of the pump and before any work

is done, read and understand all of the steps used in

the disassembly and assembly instructions.

2. Perform procedures in a clean area. It is important to

service hydraulic equipment in as clean an

environment as possible.

3. If it becomes necessary to pry sections apart, be

extremely careful to avoid damaging the finely

machined surfaces. Excessive force used while

prying can result in misalignment and serious

damage to parts.

4. Match-mark the exterior surfaces of any housings

before separating the components. Use the marks to

return components to their original locations during

assembly.

5. Gears are closely matched sets that wear in

together. Keep gears together as sets when

removing them from a unit. Handle gears with care

to avoid damaging the journals or teeth. Avoid

touching gear journals. Always replace matched

parts as a set.

6. To help prevent damage, DO NOT grip machined

surfaces in a vise.

7. If parts are difficult to fit together during assembly,

tap gently with a soft hammer. NEVER use an iron or

steel hammer to tap parts.

8. NEVER hammer bushings into bores. Use an arbor

press and bushing drivers of appropriate sizes to

install bushings.

C RADIUS

0.015" X 45°

CHAMFER

A = 3-3/8"

B = 4-1/2"

C = 9/16" R

D = 1.065 PLUS 0.000, MINUS 0.002"

E = 1.002 PLUS 0.002, MINUS 0.000"

1/4" DIAMETER DRILL

THROUGH HOLE

MA0821

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Skytrak 6042 Service Manual User Manual Page 295

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