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OWNER/OPERATOR MANUAL

MODEL YA657B / YA660B / YA662B / YA667B

4 TON  / 10 TON MANUAL SERVICE JACKS

4 TON  / 10 TON AIR / MANUAL SERVICE JACKS

1

ASSEMBLY

EQUIPMENT NEEDED FOR ASSEMBLY

1. Needle nose locking pliers
2. Snap-ring pliers (for: YA657B and

YA667B only)

3. 15 /16“ wrench (for: YA660B and

YA662B only)

4. Hammer
5. Tape measure
6. All necessary hardware is included

and is assembled loosely onto the
jack

ASSEMBLY INSTRUCTION

1. Remove the service jack base and

handle from the carton.

2. For YA657B and  YA667B, see figure

1 to remove the retaining ring and the
handle pivot pin from the jack base
that connects through the handle

BEFORE USE

1. Verify that the product and application

are compatible, if in doubt call Snap-
On technical service.

2. Read the operator's manual

completely and familiarize yourself
thoroughly with the product, its
components and recognize the
potential hazards associated with its
use 

before

 the use of this product.

3. Follow assembly instructions
4. Lower saddle fully.
5. Locate and remove the air vent screw.
6. Ensure the oil level is within ~ 3/16"

from the inner cylinder as viewed from
the air vent screw hole.

7. Reinstall the air vent screw.
8. Close release valve by turning the

release knob clockwise until firm
resistance is felt.

9. Ensure that the jack rolls freely.
10.Raise and lower the unloaded saddle

through out the lift range before putting
into service to ensure the pump and
release valve operate smoothly.

11.Replace worn or damaged parts and

assemblies with Snap-on Replace-
ment Parts only. (See Replacement
Parts  Section). Lubricate as instructed
in Maintenance Section.

fork.  For YA660B and YA662B (as
shown in figure 2) remove the 5/16-
18 bolts and the pin from the jack
base that connects through the
handle fork.

3. Remove the #6-32 screw and nut

from the universal receptacle on top
of the hydraulic unit.

4. Pull the universal assembly, located

on the bottom of the handle, out a
minimum of 1-3/4".

5. Clamp the needle nose locking

pliers onto the rod so that the
universal assembly will not retract
back into the handle.

6. Slide the universal assembly into the

handle socket so that it extends out
the other side.

7. Push the pivot pin that was removed

in step 2 back through the handle
and handle socket (may have to
gently tap the pin with a hammer).

8. Align the pivot pin with the holes on

the side plates that the pivot pin was
removed from and tighten the 5/16"-
18 bolts into the pivot pin until
secure. (for YA660B and YA662B
only)

9. Connect the universal assembly to

the universal receptacle rod using
the #6-32 screw and nut from note 4
(finger tighten only).

10. Remove the needle nose locking

pliers.

11. Jack is now operational and ready for

use.

Helpful hint:
If the jack cover is a hindrance, it can be
removed by using a 1/8" punch and
taping out the pivot pins (be sure to
attach the cover back to the jack after
assembly is completed).

(continued)

SAVE THESE INSTRUCTIONS

For your safety 

read, understand, and

follow

 the information provided with and

on these jacks. The owner and operator
of these equipments shall have an
understanding of these jacks and safe
operating procedures before attempting
to use. The owner and operator shall be
aware that use and repair of these
products may require special skills and
knowledge. Instructions and safety
information shall be conveyed in the
operator's native language before use
of these jacks are  authorized. If any
doubt exists as to the safe and proper
use of this jack, remove from service
immediately.

Inspect before each use.

   Do not use if

there are broken, bent, cracked, or
damaged parts (including labels).  Any
jack that appears damaged in any way,
operates abnormally, or is missing parts,
shall be removed from service immedi-
ately. If the jack has been or is suspected
to have been subjected to a shock load (a
load dropped suddenly, unexpectedly
upon it), immediately discontinue  use
until the jack has been checked by a
Snap-on authorized service center. It is
recommended that an annual inspection
be done by qualified personnel. Labels
and Operator's Manual are available from
manufacturer.

PRODUCT DESCRIPTION

Blue-Point Hydraulic Service Jacks are
designed to lift, 

not 

sustain, rated capacity

loads. They are designed to be used in
conjunction with jack stands. 

Intended

use:

 To lift one wheel or one axle of a

vehicle for the purpose of service and/or
repair of vehicle components. After lifting,
loads must be immediately supported by
appropriately rated jack stands. Check
with vehicle owner's manual for proper lift
points.

DO NOT USE TO DOLLY OR MOVE
VEHICLE.

DO NOT USE FOR ANY PURPOSE
OTHER THAN THOSE USES OUTLINED
ABOVE !

Summary of Contents for YA657B

Page 1: ...e handle and handle socket may have to gently tap the pin with a hammer 8 Align the pivot pin with the holes on the side plates that the pivot pin was removed from and tighten the 5 16 18 bolts into t...

Page 2: ...malfunctioning jack and then the jack stands c Using the functioning jack lower the load by turning the operating handle counterclockwise but no more than 1 2 turn 4 Push saddle down to reduce ram exp...

Page 3: ...Handle Release Knob Caster Air Motor Air Vent Screw on the power unit Air Vent Screw on the power unit Handle Fork Min Height Max Height 5 1 4 Capacity 26 Model 5 1 4 YA657B Jack Size L x H 4 Ton 4 To...

Page 4: ...rts give Model number serial number and description below Call or write for current pricing Snap on Tools Company Kenosha WI 53141 1410 4 TROUBLESHOOTING Contact Snap on Technical Service Possible Cau...

Page 5: ...5 Service Parts for Model YA657B...

Page 6: ...6 Service Parts for Model YA657B continued Hyd Unit...

Page 7: ...22098 Speed Pump Assy 1 222201h Spring 1 222257 Plug Poppet Valve 2 222533h Screen 2 223166h Ram Screen 1 226314 Gland Nut 1 226318 Grease Fitting 1 226324 Pressure Plug 1 226325 Pump Link 2 226326 Nu...

Page 8: ...8 Service Parts for Model YA660B...

Page 9: ...9 Service Parts for Model YA660B continued Hyd Unit...

Page 10: ...26325 Pump Link 2 226326 Gland Nut 1 226331 Spring 1 226353h Spring 1 226366 Bolt 1 226372 Plunger Spring 1 227397 Link 1 227436 Turning Rod Assy 1 228875 Spring 1 229887h O ring 1 229888h O ring 1 22...

Page 11: ...11 Service Parts for Model YA662B...

Page 12: ...12 Service Parts for Model YA662B continued Hyd Unit...

Page 13: ...64 Lockwasher 2 210225 Spacer 1 210311 Pipe Plug 3 210411h Washer 1 211341 Rivet 1 212227 Release Valve 1 212689 Bolt 2 213152h Packing Ring 2 213171h Packing Ring 2 214538 Groove Pin 4 Continue on ne...

Page 14: ...ed Tube 1 229910 Retaining Ring 2 229911 Retaining Ring 2 229912 Washer 4 229913 Bell Crank 1 229915 Front Wheel 2 229927 Cap Housing 1 229929 Bearing 1 229932 Spring 2 229933 Plate 2 229934 Pin 1 229...

Page 15: ...15 Service Parts for Model YA667B...

Page 16: ...16 Service Parts for Model YA667B continued Hyd Unit...

Page 17: ...r Pin 1 204842h Copper Gasket 1 209964 Lockwasher 2 210225 Spacer 1 210311 Pipe Plug 4 210411h Washer 1 211341 Rivet 1 212227 Release Valve 1 213152h Packing Ring 2 213171h Packing Ring 2 213639 Bolt...

Page 18: ...od 1 227436 Turning Rod Assy 1 228235 Cotter Pin 1 228257h U cup 1 228354 Universal Linkage 1 228813 Washer 1 228814 Glant Nut 1 228815 u cup Packing 1 228816 Washer 1 228875 Spring 1 228881 Grip 2 22...

Page 19: ...r retailer for disposition or you may contact an Au thorized Service Center listed in the product owner s manual Except where such limita tions and exclusions are specifically prohibited by law the co...

Page 20: ...memo...

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