Figure 1 - Model YA1642A Components
- KNOW YOUR PRODUCT -
3
TROUBLESHOOTING
YA1642A
2 Ton
5"
MODEL
CAPACITY
SADDLE
DIA.
MIN.
Height
MAX.
Height
HANDLE
LENGTH
Net
Weight
JACK SIZE
( L x W x H )
19 1/2"
5 1/2"
25 3/8" x 13 1/8" x 6 1/2"
42 1/8"
66.5 lb.
Saddle
Handle
(Release Valve)
Caster
Lifting Arm
Oil Filler Plug
( on reservoir )
Symptom
Possible Causes
Corrective Action
Jack will not lift load
Jack will lift, but not maintain
pressure
Jack will not lower after
unloading
Poor lift performance
Will not lift to full extension
• Release valve not tightly closed
• Overload condition
•
Release valve not tightly closed
•
Overload condition
•
Hydraulic unit malfunction
• Reservoir overfilled
• Linkage binding
• Oil level low
•
Air trapped in system
• Oil level low
• Ensure release valve tightly closed
•
Remedy overload condition
•
Ensure release valve tightly closed
•
Remedy overload condition
•
Contact Snap-on Technical Service
• Ensure load is removed, then drain oil
to proper level
• Clean and lubricated moving parts
• Ensure proper oil level
•
With ram fully retracted, remove oil filler
plug to let pressurized air escape, then
reinstall oil filler plug
•
Ensure proper oil level
Handle Fork
Summary of Contents for YA1642A
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