pg 8 of 8
MODEL 404
JARVIS
®
6205006;:.
7. Install handle stud (item 59) using two larger
oval head screws (item 58).
C. BLADE REMOVAL:
NOTE: Your
Jarvis
Wellsaw is equipped with a
hex key (item 22) for removing the blade. This
wrench is located in the housing directly behind
the blade support knob (item 57).
1. Insert the hex key through the hole in the outer
end of blade (item 61 or 63) and pull the blade
to the outer end of stroke.
2. Loosen the blade holding set screw (item 21)
about 1/2 turn.
3. Reinsert the hex key in the hole at the outer end
of the blade and pull the blade out.
D. BLADE INSTALLATION:
1. Insert hex key (item 22) into set screw (item 21).
2. Thread the set screw (item 21) into the hole in
the end of push rod (item 19). Do not tighten.
3.
STANDARD BLADE SUPPORT (End Cutting):
a. Align blade (item 61) with blade support
(item 60).
The blade should extend approx-
imately three 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 the
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 63)
into the guide in the blade support (item
62).
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 as far as it will
go.
5. Tighten the set screw with the hex key.
E. GENERAL DISASSEMBLY:
1. Remove blade (item 61 or 63) and blade support
(item 60 or 62).
2. Remove handle cover (item 27).
3. Remove switch (item 28). Remove the two
wires from the stator (item 9) and the two wires
from the cord (item 51).
4. Remove brush cap (item 1) and brushes (item 2).
5. Remove deflectors (item 4).
6. Slide off top cap (item 5) -- stator (item 9) will
be attached.
7. Remove armature (item 12). Hold the armature
in one hand and tap housing (item 55) with a rub-
ber hammer with the other hand to loosen the ar-
mature.
(Pinion gear -- item 13 -- on the arma-
ture has a left hand thread).
8. Remove bottom plate (item 43) and gasket (item
42).
9. Insert a small block of wood between the con-
necting rod (item 45) and the housing (item 55)
to stop the rotation of the connecting rod. Re-
move lock nuts (item 11). Remove the connect-
ing rod and bearings (item 45) and spacer (item
46).
10. Using a 5/16 inch hex key, loosen gear shaft
(item 40) --
left hand thread
. Be sure not to spin
gear stud nut (item 56). Remove items 36--40,
47 and 48.
11. Remove the push rod and stud (item 19) through
the center of the housing.
12. Clean the gear housing cavity to remove any
contaminated lubricant.
13. Remove and replace any faulty parts and reas-
semble by reversing these steps.
NOTE (when reassembling):
a. Step 10: Use
Loctite 271
on gear stud nut
(item 56) before fastening gear shaft (item
40).
b. Step 7: Reassemble armature (item 12) in
housing (item 55) by using a center punch
to tap the armature until its bearing is fully
seated.
maintenance instructions
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Original Jarvis Products. .
E-mail: [email protected]
FAX: 973-751-7701 Telf: 973-751-7775 www.cutlerymania.com