Johnson Service Bulletin SB-846 - Special Powerhead Wrench

Issued May 10, 1961, this bulletin describes an offset wrench for removing powerheads on 10 HP QD and QDL-20 engines and includes the original Snap-on order form.

Johnson Motors Service Bulletin letterhead
May 10, 1961
Bulletin No. SB-846 Special tools
SUBJECT: A special wrench for powerhead removal; 10 h.p. models QD & QDL-20 thru current models.
Factory illustration of special offset wrench N-6535
Figure 1
Many dealers have probably experienced that removing the powerhead from the subject model series engines can be quite a chore because the three (3) powerhead take-down nuts...one on each side and one in front below the carburetor... are inaccessible with ordinary wrenches. The special offset wrench illustrated here is specifically designed to facilitate removal of the QD powerhead. It is a very efficient and time-saving tool for this operation.
For those dealers who have not yet made this tool a part of their inventory of special tools, we urge that you do so now by using this bulletin as an order form. Fill in the required information below and mail directly to:
SNAP-ON TOOLS CORPORATION 120 North May Street Chicago 7, Illinois
Please ship the following at the current net unit price:
SNAP-ON DESCRIPTION QTY. UNIT TOTAL PART NO. PRICE PRICE N-6535 Offset wrench ____ $2.36 $______
Illinois resident dealers add 3½% State Sales Tax ______
Total $ ______
This is a C.O.D. order □; or This is a prepaid order □. My check □, money order □, for $ ________ is accordingly attached and payable to SNAP-ON TOOLS CORPORATION.
BILL & SHIP TO: Firm Name ___________________________________
Street address ___________________________________
City ____________ Zone ___ State ______________
Signed: ___________________________________
WWD:eb
NOTE: Destroy Service Bulletin No. 687 dated 1/7/59.
JOHNSON MOTORS
W. W. DeWees Service Department

Historical supersession

SB-846 instructs dealers to destroy SB-687, dated January 7, 1959. A copy of SB-687 has not been verified in this batch. The wrench specified here is Snap-on N-6535, not OMC tool 322700.