Hydraulic pump, 2 specifications, 1 trouble shooting – Cub Cadet 8454 User Manual

Page 260

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CHAPTER 6 8454

6-66

D569-W02 May-2003

4.2 SPECIFICATIONS

• Reference: [ First: for hydraulic lift, Second: for steering cylinder ]

Tandem

14.4 (First)

6.3 (Second)

1 : 1

C.C.W

At the right side of the engine

Classification 8454

Type

Capacity (cc/rev)

Gear ratio

Revolution direction

Attaching position

4. HYDRAULIC PUMP

4.1 TROUBLE SHOOTING

No.

1

Clearance between drive gear
and main frame

Drive shaft parts worn out

Clearance between drive shaft
and bushing

Bushing length

Pump frame length and
bushing length

Factory spec.

• Allowable limit

0.05 mm

(0.00196 in.)

• Allowable limit

19.25 mm

(0.75787 in.)

• Allowable limit

0.177 mm

(0.00696 in.)

• Allowable limit

25.75 mm

(1.01378 in.)

• 0.1 ~ 0.18 mm

(0.00393 ~ 0.00708 in.)

(bushing length is short)

Measure & sequence

• Install bushing on the main

frame.

• Fix drive shaft and idle gear.

• Measure with a clearance

gauge.

• Measure the shaft diameter

with a micrometer.

• Measure the inner diameter of

bushing with a micrometer.

• Compare this with the mea-

sured diameter of drive shaft.

• Measure the bushing length

with a micrometer.

• Measure the bushing length

and pump frame length with a
micrometer.

2

3

4

5

Repair item

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