Specifications

maintenance instructions
Model SEC 400
page 24 of 24
JARVIS
PRODUCTS CORPORATION
33 ANDERSON ROAD, MIDDLETOWN, CONNECTICUT 06457--4926
UNITED STATES OF AMERICA E--MAIL.
[e-mail]
TEL. [phone] FAX. [phone] WWW. jarvisproducts.com
6204004;.
®
8.1.3 Install shims (item 14) between gear hous-
ing (item 24) and bearing cone (item 11) to
set backlash (0.003 to 0.007 inch) between
bevel gear (item 21) and pinion gear (item
37). Make sure tapered bearing cones and
bearings cups are installed correctly. Refer
to Figure E for proper placement of shims
and orientation of bearing cones and bear-
ing cups.
8.1.4 Pack bearing cones and bearing cups with
Jarvis 1315 White Grease after all clear-
ance adjustments have been made.
8.1.5 Make sure bevel side of retaining ring (item
18) is facing outward away from gear hous-
ing (item 24). Refer to Figures D and E as
guide for proper orientation o f retaining
ring.
8.1.6 Apply Loctite 262 on hex nuts (items 27 and
28).
8.1.7 Bearing clamp (item 15) and hex nut (item
27) have left hand threads.
8.1.8 Make sure o--ring (items 7, 26, 30 and 36)
are properly installed.
9 MOTOR DISASSEMBLY:
Refer to Figure A on page 4.
9.1 Remove socket head screws (item 52) and sepa-
rate front handle assembly from gear housing
(item 17) or intermediate housing (item 35, for
thin head).
9.2 Remove hex head screws (item 34) and split
lock washers (item 35). Separate motor from
gear housing (item 17).
9.2.1 For thin head model, remove hex head
screws (item 33) and split lock washers
(item 34). Separate motor from intermedi-
ate housing (item 35).
9.3 Rest motor on front motor cover (item 62).
9.4 Remove screws (item 103) and air inlet p late
(item 104).
9.5 Remove socket head screws (items 105 and 107)
and split lock washers (item 61).
9.6 Remove both fan cover (item 108) and rear han-
dle assembly together. The wires must be fed
through motor conduit (item 89) as you remove
the fan cover and rear handle assembly.
9.7 Remove fan (item 76) and shaft seal (item 73).
9.8 Lay motor on its side.
9.9 Remove front motor cover (item 62) and rotor
(item 69) together by gently tapping the cover
away from rest of motor.
9.10 Remove screws (item 68) and bearing retaining
ring (item 67) to separate rotor from cover.
9.11 Lift away rotor (item 69).
9.12 Remove wave spring (71) and o--ring (63).
9.13 Remove electrical box cover (item 93).
9.14 Remove all wire nuts on wires leading to motor.
Do not
remove wire nuts on wires leading to trig-
ger handles.
9.15 Loosen motor conduit (item 89) two or three
turns with Jarvis special tool part no. 8039070.
9.16 Lift off rear motor cover (item 72) and remove
o--ring (item 63).
9.17 If stator (item 64) needs rewinding, send entire
SEC 400 motor and stator back to Jarvis for re-
pair. Do
not remove stator from its housing.
9.18 Inspect parts for wear and replace if necessary.
10 MOTOR ASSEMBLY:
10.1 Reverse steps and procedures outlined in section
9. See special notes below:
10.1.1 Ensure that motor cover (item 109) is fully
seated into front motor cover (item 62).
10.1.2 Lightly lubricate shaft seal (item 73), o--ring
(item 91) and grommet (item 90).
10.1.3 Be sure to install wave spring (item 71), o--
rings (item 63) and fan (item 76).
10.1.4 Before installing fan cover (item 108),
screw in motor conduit (item 89) all the way,
then back it off 2 or 3 turns. Hold fan cover
(item 108) over motor with motor resting on
front motor cover (item 62). Slip stator
wires through motor conduit (item 89). Seat
fan cover (item 108) completely on motor
assembly, keeping stator wires taut at all
times.
10.1.5 Secure fan cover (item 108) with socket
head screws (items 105 and 107) and split
lock washers (item 61). Tighten motor con-
duit (item 89), using Jarvis special tool, part
number 8039070.
10.1.6 Inspection plug (item 106) is provided in fan
cover (item 108) to make sure that motor
conduit (item 89) has entered rear motor
cover (item 72) correctly. Use plug (item
106) to ensure that grommet (item 90) is in
place and no motor wires are visible.
10.1.7 After completing assembly of motor, ensure
that rotor turns freely b y h and.
Do not con-
nect to power if rotor does not turn freely.