page 9 of 12
MODEL 444
®
JARVIS
6205004;:.
PRODUCTS CORPORATION
33 ANDERSON ROAD, MIDDLETOWN, CONNECTICUT 06457-4926
UNITED STATES OF AMERICA E--MAIL.
FAX. 860-347-6978 TEL. 860--347--7271 WWW.
jarvisproducts.com
C. NOT FOR CUTTING SMALL RADII
D. ALWAYS KEEP A SHARP BLADE ON THE
SAW:
1 Cutting with a dull or badly worn blade can
overload the saw and cause damage from over-
heating.
2 New blades can be purchased from
Jarvis
Products Corporation.
MAINTENANCE INSTRUCTIONS
Always disconnect the saw from its power supply
before performing any maintenance
.
Item numbers: refer to the parts diagrams on pages 4-5.
A.
LUBRICATION:
1 The gear case should be kept 1/3 full of grease.
To check the grease level remove the bottom
plate and its gasket (items 23 and 24). It should
be checked every 30 days for saws that are used
moderately and every two weeks for saws that
are used daily. If replacement grease is required
it should be obtained from
Jarvis Products
Corporation
.
B.
BLADE INSTALLATION:
NOTE: Your
Jarvis
Wellsaw is equipped with
a hex key wrench(item 71) for removing and in-
stalling the blade. This wrench is located in the
motor housing.
1 Insert hex key (item 71) into set screw (item 72).
2 Fasten the set screw into the hole in the end of
push rod (item 73). Do not tighten.
3
STANDARD BLADE SUPPORT (End Cutting):
a. Align blade (items 27 or 31) with blade sup-
port (item 30 or 33).
The blade should ex-
tend approximately 3 inches from the end of
the blade support.
b. Slide the blade onto the blade support until
the crimp in the blade is touching the end of
the blade support.
c. Use a rubber hammer and tap the end of
blade towards the body of the saw until the
crimp in the blade slides into the slot in the
blade support.
HEAVY DUTY BLADE SUPPORT (Heavy Duty):
a. Place the grooved end of blade (item 28 or
32) into the guide in the blade support (item
29 or 34).
b. Slide the blade over the blade support to-
wards the body of the saw.
Make sure that
the tabs on the blade extend over each side
of the blade support.
4 Slide the blade into the push rod (item 73) as far
as it will go.
5 Tighten the set screw (item 72) with the hex key
(item 71).
C.
BLADE SUPPORT INSTALLATION:
1 Remove cap nuts (item 43) and flat washers
(item 44) from threaded stud (item 45).
2 Slide the blade support over inserts (item 46) un-
til the blade support is against the housing.
3 Replace flat washers (item 44) and cap nuts
(item 43) and tighten firmly.
D.
DISASSEMBLY OF MOTOR:
1 Remove blade and set screw (item 72).
2 Remove handle cover (item 21).
3 Disconnect the two wires from the stator (item
81) and the two wires from the power cord (item
14) attached to switch (item 18). Remove
switch (item 18).
4 Remove tie bar (item 4) and cover plate (item 5).
5 Remove shroud (item 51), brush cap (item 42)
and brush and spring assembly (item 36).
6 Remove bottom plate (item 23) and bottom plate
gasket (item 24).
operation and
maintenance instructions