BLOWER DRIVE GEAR - TM-55-1905-221-14-10034

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CAMSHAFT AND BALANCE SHAFT BEARINGS

TM-55-1905-221-14-1 Landing Craft Mechanized Steel DED Overall Length 74 Feet Mod 1 Mark VIII Navy Design LCM-8 Manual

BLOWER (Cont)

Table 1-2. Engine Repair and Replacement Standards (Metric) (Continued).

TM 55-1905-221-14-1

Manufacturers'

Dimensions and

Desired

Component

Tolerances in Centimeters

Clearance

Maximum*

Allowable

Wear and

Minimum

Maximum

Minimum

Maximum

Clearances

(cm)

In Centimeters

BLOWER DRIVE GEAR

Backlash

.0076

.0203

.0254

Gear-to-hub fit

.0018

.0025

press

loose

Support-to-end plate

.0018

.0064

press

loose

Support bushing inside diameter

4.1300

4.1313

Hub diameter at bushing

4.1250

4.1275

Hub-to-support bushing clearance

.0025

.0064

.0127

Hub-to-cam clearance

.0051

.0179

End thrust

.0127

.0203

.0254

BLOWER

Backlash-timing gears

.0018

.0064

.0102

Oil seal (below end plate surface)

.0051

.0203

Pin-dowel (projection beyond inside face

of end plates)

.9052

Clearances

Rotor to end plate-gear end

.0178

Rotor to end plate-front end

.0356

Rotor to housing-inlet side

.0381

Rotor to housing-outlet side

.0102

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