maintenance instructions
page 18 of 20
Model SEC 230 and 230–LN
JARVIS
PRODUCTS CORPORATION
33 ANDERSON ROAD, MIDDLETOWN, CONNECTICUT 06457-4926
UNITED STATES OF AMERICA
TEL. 860-347-7271 FAX. 860-347-6978
6204008:::
2 CIRCULAR BLADE REMOVAL:
2.1 Remove depth gage locking lever (item 45) and
rotate depth gage plate (item 2) out of the way to
access blade retaining screws and washer (items
3 and 4).
2.2 Remove blade retaining screws (item 3). Jarvis
wrench, part number 8039147 is available. Pre-
vent blade from turning by inserting blade lock-
ing pin (item 44) through hole in blade.
2.3 Remove blade retaining washer (item 4).
2.4 Remove circular blade (item 5).
2.5 Inspect all parts for wear and replace or sharpen
if necessary.
3 CIRCULAR BLADE INSTALLATION:
3.1 Reverse steps and procedures outlined in section
2. See notes below.
3.1.1 To ensure proper fit and safe operation, the
flinger (item 6) and saw blade (item 5) must
fit securely on the crown gear (item 15).
The hub on the saw blade must be facing the
crown gear.
3.1.2 For saws with retaining washer (item 4)
part number 1004330, the holes must align
with the pins (item 14) of the crown gear
(item 15). See Figure 2 below.
Figure 2
SAW BLADE
RETAINING
WASHER P/N 1004330
SCREWS
CROWN GEAR
PINS
HOLES
FOR PINS
FLINGER
4 RIGHT ANGLE GEAR HOUSING DISASSEM-
BLY:
4.1 Remove blade as described in section 2.
4.2 Remove (2) flat head screws (item 8) and re-
move blade guard (item 7).
4.3 Remove (4) cheese head screws (item 18) and
remove gear head assembly from saw.
4.4 Remove (3) flat head screws (item 8) and re-
move gear head cover (item 9), o-ring (item 10)
and oil seal (item 11) from right angle gear hous-
ing (item 17 or 25).
4.5 Lightly tap right angle gear housing in guard
mounting area with a nylon mallet until bearing
assembly (items 12-16) slides out of right angle
gear housing.
4.6 Remove external retaining ring (item 12).
4.7 Place crown gear (item 15) in arbor press and re-
move ball bearing (item 13). Using a 7 mm pin,
press ball bearing (item 16) from crown gear
(item 15).
4.8 Remove internal retaining ring (item 24) from
right angle gear housing (item 17 or 25).
4.9 Lightly tap end of right angle gear housing (item
17 or 25) with a nylon mallet until pinion gear
(item 21), inner race (item 22) and bearing (item
23) come out of right angle gear housing.
4.10 Place pinion gear (item 21) in arbor press and
remove ball bearing (item 23). If necessary, also
remove inner race (item 22).
4.11 Remove needle bearing (item 20) from right
angle gear housing (item 17 or 25). Jarvis bear-
ing extraction tool, part number 8039083, is
available.
4.12 Remove o–ring (item 19).
4.13 Inspect all parts for wear and replace if neces-
sary.