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Replacement Parts List; Troubleshooting - Craftsman 50284 Operator's Manual

Hydraulic bottle jacks
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#
Description
1
Handle
2
Oil fill plug
-
Owner's Manual
Jack will
Jack will
Jack will
not lift
not hold
not lift to
load
load
full height
X
X
X
X
X
X
X

REPLACEMENT PARTS LIST

Qty.
1
1
1

TROUBLESHOOTING

Symptom
Jack will
not lower
completely
X
X
X
X
X
X
Poor jack
Handle
lifting,
raises by
pump
itself while
feels
under load
spongy
X
X
X
X
6
Oil level is low in jack. Add oil
as required.
Power unit may have trapped
air. Release air from system.
Release valve may not be
closing properly. Turn the
release valve clockwise tightly.
Oil reservoir is over-filled.
Drain out some oil.
Lubrication of moving parts is
necessary.
Power unit is malfunctioning.
Replace the power unit.
序号
名称
1
顶帽
O型密封圈
2
矩形密封圈
3
外套
4
油塞
5
梯形密封圈
6
活塞杆组合
7
碗型垫
8
O型密封圈
9
10
油缸
11
密封圈
钢球压板
12
13
钢球S 6
防尘管
14
泵芯
15
挡圈
16
O型密封圈
17
泵体
18
19
垫片
揿手连杆组合
20
开口销
21
22
销轴
23
手柄
回油阀杆
24
25
O型密封圈
底座
26
钢球S 3
27
顶块
28
安全阀弹簧
29
O型密封圈
30
31
调压螺钉
32
油堵

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50285