Hydraulic pump, 2 specifications, 1 trouble shooting – Cub Cadet 8454 User Manual
Page 260
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