Gravely: Quality Machines for Quality Work...

28 Dec 12

Model L (5 HP & 6.6 HP) & Model C (Convertible 7.6)

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Written by Jim Howland

Owner's Manuals

Instruction Book and Illustrated Parts List For Model L Gravely Tractor (circa 1938) 3.4 MB (posted 05/25/11)
Gravely used this small 5 ½" by 8 ½" manual format from 1938 through 1948, but none of them show publication dates. This one has "1937" written in pencil on the cover, but the form number is "MS-38", the parts lists on its pages show many parts for 1937 tractors as different from the then-current parts, most of the photos show the post-1937 single-filler fuel tank, and the PTO operating instructions are for the post-1937 PTO control. I believe this manual is the 1938 edition, but can't be 100% sure. Later editions of the small-format manual add suffix letters to the "MS-38" form number, for example "MS-38-D".

Instruction Book and Illustrated Parts List For Model L Gravely Tractor and Attachments (circa 1948) 7.6 MB (posted 09/07/04)
This is form number "MS-38-D", and I believe it is the final small-format edition of the Model L Instruction Manual. This one accompanied a 1948 Model L (serial number 33802) delivered new on August 10, 1948. The print quality of this copy is poor by Gravely's usual standards, and that in combination with small print and the small 5 ½" by 8 ½" format makes it difficult to read. Click here to download an enlarged version. It is a larger file (10.1 MB), but easier to read.

Instruction Manual Illustrated Parts & Price List For The Model L Gravely Tractor & Attachments (Feb 1951) 12.7 MB (posted 06/24/04)

Gravely (Model L) Instruction Manual (1955) 7 MB (posted 10/24/04)

Gravely (Model L) Instruction Manual (1960) 3.2 MB (posted 09/19/03)

Gravely (Model L) Instruction Manual (1963) 14.5 MB (posted 10/31/11)
Undated, but the "G" Manufacturing Number prefix on the sample ID plate and photos showing the post-1962 cosmetically modernized Model L are consistent with 1963.

Gravely (Model L) Instruction Manual (Mar 1964) 11.2 MB (posted 06/24/04)

Gravely (Model L) Owner's Manual (Oct 1964) 8.9 MB (posted 06/26/05)

Gravely (Model L) Owner's Manual (circa 1965-66) 10.6 MB (posted 05/31/04)
Undated, but covers the 6.6 HP Model L in its cosmetically modernized 1963 - 1966 form. Includes the MA210 Snow Blower, so is probably 1965 or 1966.

Gravely (Model L) Owner's Manual (May 1966) 6 MB (posted 01/05/12)
A different printing than the circa 1965-66 manual listed above, but otherwise identical.<p< <a="" href="/pdf/Convertible_76_Own_Man_1973.pdf" target="_blank">Gravely Convertible 7.6 Owners Manual (1973) 2 MB (posted 09/19/03)

Gravely Convertible 7.6 Owners Manual (Jan 1974) 13.7 MB (posted 10/02/03)

Service Manuals

Freeing Sticking Valves (undated) 432 KB (posted 03/20/05)
Not really a service manual, but it doesn't fit anywhere else. Letter from a dealer describing how to free a stuck valve. Undated, but appears to be late 1940s or early 1950s.

Servicing The Gravely Model L Engine (undated) 852 KB (posted 08/19/04) (new scan 11/26/10)
Undated, but is probably mid 1950s because it describes the Gravely engine in its pre-1958 form, and it specifies .012 inch for valve lash. The Model L Condensed Service Data andConvertible 7.6 Service Manual (see below) are more comprehensive, but you asked for this so here it is.

Special Instructions For Conversion Of Model L Tractor From Old Style Lubrication To New High-Volume System 1.4 MB (posted 10/09/10)

Gravely (Model L) Condensed Service Data (Mar 1, 1958) 10.3 MB (posted 10/26/10)

Gravely (Model L) Condensed Service Data (May 1963) 7.9 MB (posted 10/28/03)

Gravely Swiftamatic 8 Transmission Trouble Shooting and Assembly Procedure (Aug 1963) 3.1 MB (posted 04/30/04)
Assembly, inspection and adjustment of the Swiftamatic in its original 1963 - 1971 form. Most information also applies to the revised version (1972 and later), but see also the 1974Convertible 7.6 Service Manual for changes.

Gravely (Model L) Condensed Service Data (Jan 1966) 3.8 MB (posted 06/02/11)
This edition of the CSD is dated January 1966, but contains a Zenith IPL dated April 1967 and a Model L IPL dated December 1967. Very strange!

Gravely Condensed Service Data For 7.6 Convertible Tractor (Jan 1970) 1.1 MB (posted 09/26/10)

Gravely Convertible 7.6 Service Manual (1972) 1.2 MB (posted 09/19/03)

Gravely Convertible 7.6 Service Manual (Nov 1974) 2.7 MB (posted 02/07/04)

Gravely Convertible 7.6 Shop Manual (Nov 1974) 4 MB (posted 11/16/10)
Same date and same form number (16188P1) as the Nov 1974 Service Manual above but different formatting and poorer quality photographs.

Illustrated Parts Lists

Model L parts lists were incorporated into the Owner's Manuals until mid 1953. See listings at top of page.

Gravely Model "L" Tractor Parts And Price List (Sep 1953) 4.8 MB (posted 06/02/11)

Gravely Model "L" Tractor Parts And Price List (Jan 1956) 5.2 MB (posted 05/26/11)

Gravely Model "L" Tractor Parts And Price List (Jan 1957) 5.3 MB (posted 06/02/11)

Gravely Model L Tractor Parts and Price List (Apr 1961) 544 KB (posted 10/28/03)

Gravely (Model L) Tractor Illustrated Parts and Price List (Apr 1963) 676 KB (posted 10/28/03) (file size reduced 12/21/03)

Swift-A-Matic Transmisstion Illustrated Parts and Price List (Aug 1963) 316 KB (posted 09/15/04)
Parts list for the Swiftamatic in its original 1963 - 1971 form.

Gravely LT Tractor Illustrated Parts List (Dec 1967) 1.2 MB (posted 06/01/11)

Gravely (Model L) Tractor Illustrated Parts List (Apr 1963 revised) 684 KB (posted 10/28/03)
Dated April 1, 1963, but shows Gravely's address as Clemmons, North Carolina instead of Dunbar, West Virginia so must be a 1969 or 1970s reissue of the 1963 IPL. This reissue adds an old-style to new-style part number cross reference, Swifatmatic parts, and post-1963 bearing change information.

Gravely Convertible 7.6 Illustrated Parts List (Mar 1972) 960 KB (posted 09/19/03) (new scan 12/18/10)

Carburetors

Zenith 61 & 161 Series Carburetors (Cast Iron) Instruction Sheet (Jan 1948) 336 KB (posted 03/20/05)

Zenith 161-Series Carburetors (Cast Iron) Parts List (Jan 1948) 552 KB (posted 03/20/05)

Zenith 161-Series Carburetors (Cast Iron) Parts List (Sep 1949) 401 KB (posted 09/19/03)

Zenith 161-Series Carburetors (Cast Iron) Parts List (Jul 1952) 520 KB (posted 10/27/10)

Zenith 61 And 161 Series Carburetors (Cast Iron) Operation And Service (Jul 1952) 3.1 MB (posted 10/27/10)

Gravely-Zenith 68-7 Carburetor (Diecast Aluminum) No. 12108-D (Gravely No. L-806) Service Parts List (Oct 1962) 136 KB (posted 10/28/03) (file size reduced 12/26/03)
Zenith 12108-D is the front-facing diecast aluminum carburetor used from 1962 through 1966.

Gravely-Zenith 68-7 Carburetor (Diecast Aluminum) No. 13246 (Gravely No. 10878A1) Servive Parts List (Apr 1967) 156 KB (posted 06/02/11)
This shows a front-facing carb like 12108-D (above) but with provisions for a remote choke knob as used on late examples of the 6.6 HP Model L. A rear-facing version of 13246 is used on the 7.6 HP Model C (Convertible 7.6).

Zenith 68 Series Carburetor (Diecast Aluminum) Service Manual (undated) 348 KB (posted 10/28/03)
References illustration numbers in the 68 Series IPLs above, so download those too.

Zenith 68 Series Carburetor No. 13246 (Gravely No. 10878P1) Factory Drawing (Aug 1966) 134 KB (posted 04/13/04)
Zenith 68 Series carb as specified for the Convertible 7.6

Magnetos

Edison RM Owner's Manual 882 KB (posted 05/25/11)
The Edisom Model RM-1 magneto, made by the Edison-Splitdorf Corporation, was used on very early Model L tractors. This undated manual is not Gravely-specific.

Bendix Series H Magnetos Service Parts List (Jan 1951) 2.7 MB (posted 10/27/10)
The Bendix magneto, made by the Scintilla Magneto Division of Bendix Aviation Corporation, was used on the Model L in the late 1940s and early 1950s.

Service Parts List & Serevice Instructions For WICO Magneto Specification XH-2049 (Nov 1950) 1.3 MB (posted 03/15/11)
The WICO XH-2049 magneto was used on the Model L in the 1950s.

Service Parts List & Service Instructions For WICO Magneto Specification XH-2533 213 KB (posted 11/08/03)
The WICO XH-2533 magneto was used on the Model L in the 1960s. Undated.

WICO Service Manual & Parts List For XH-2525 To XHD-2900 (undated) 1.1 MB (posted 12/26/03)

Fairbanks-Morse Type FM-J1A Magnetos (Jul 1947) 1.4 MB (posted 03/20/05)
The Fairbanks-Morse Type FM-J1A magneto as used on some Model L tractors in the late 1940s & early 1950s.

Fairbanks Morse Magneto (Undated) 647 KB (posted 09/24/03) (file size reduced 11/08/03)
Fairbanks-Morse Type FM-J magneto maintenance. Not Gravely-specific.

Governors

Gravely Governor Instructions Model MA-1759 (Undated) 284 KB (posted 12/21/03)
Not dated, but these are the installation instructions included in the January 1951, April 1952, and March 1953 editions of the Model L Instruction Manual.

Gravely (Pierce) Governor Model M-1884 (R3) Installation Instructions (Jul 1960) 192 KB (posted 06/24/04) (file size reduced & image enhanced 03/13/05)

Gravely (Pierce) Governor Model GC-1464 Installation Instructions (Mar 1962) 2.9 MB (posted 04/20/04)
Scan of a very grubby original, but good information.

Pierce Original Equipment Governor For Gravely Tractor Illustrated Parts List (circa 1963) 362 KB (posted 11/04/10)
Undated, but the address shown for Pierce includes a ZIP code which makes it 1963 or later, and the price shown for a comlete governor kit is only $14.20 so it can't be much more recent than that.

Pierce Governor Installation Instructions (undated) 156 KB (posted 10/28/03)
Undated, but was in a box of new 20 Gallon Sprayer parts purchased in July 1969.

Governor Kit Illustrated Parts List (Nov 1974) 84 KB (posted 09/13/03) (file size reduced 02/07/04)

Governor Illustrated Parts List (May 2003)88 KB (posted 12/21/03)

Pierce Gravely Governor Installation Instructions, Parts List and Order Form (2006) 600 KB (posted 09/01/06)

John Langille's Governor Setup Instructions 76 KB (posted 12/21/03)

Hoof Service Bulletin D175-222 150 KB (posted 11/04/10)
Undated. Describes installing a replacement mainshaft kit in a Hoof governor. Hoof governors are (were?) made by Pierce and are often seen as replacements on the Model L and Model C. These instructions may not apply to Pierce governors, which usually have pressed-on pulleys.

Electric Starter

Gravely Electric Starter Installation Instructions (Mar 10, 1955) 232 KB (posted 05/25/11)
Installation instructions for the original version of the Model L electric starter. The design changed in several respects very soon after the initial release due to problems with the original starter clutch design.

Gravely Starter Illustrated Parts And Price List (Oct 1, 1957) 328 KB (posted 10/08/10)

Electric Starter Installation Instructions (undated) 168 KB (posted 10/28/03)
Undated, but came with electric starter kit bought new October 1966

Starter Illustrated Parts List (Feb 1, 1964) 446 KB (posted 10/08/10)

Starter Kit MA-804 Illustrated Parts List (Jul 1969) 384 KB (posted 03/20/05)

Servicing The Starter Clutch 260 KB (posted 12/21/03) From 1974 Convertible 7.6 Service Manual

Starter Kit Illustrated Parts List (Mar 1975) 450 KB (posted 09/13/03)

Miscellaneous

Attachment Clutch Control Illustrated Parts & Price List (Jan 1962) 1.4 MB (posted 10/20/03)

Attachment Clutch Control Illustrated Parts List (Feb 1964) 564 KB (posted 03/20/05)

Dual Wheel Kit Assembly Instructions (Apr 1973) 860 KB (posted 10/28/03)

Geared Wheel Illustrated Parts List (Jun 1967) 385 KB (posted 09/13/03)

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