maintenance instructions
page 20 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:::
8.3 Disconnect input wiring from terminals on elec-
tric switches (item 71). Make note of wiring
connection locations for re–assembly.
8.4 Remove switch and lever assembly (items
71-75).
8.4.1 Remove dowel pin (item 74).
8.4.2 Remove pan head screw (item 72).
8.4.3 Remove switch activating lever (item 75)
and electric switches (item 71) from switch
holder (item 73).
8.5 Remove socket head screw (item 36) and re-
move rear handle (item 78).
8.6 Remove internal retaining ring (item 68), ring
washer (item 69) and diaphragm seal (item 70).
8.7 Press dowel pin (item 81) from handle and re-
move trigger lever (item 82).
8.8 Remove spring (item 79).
8.9 Inspect parts for wear and replace if necessary.
9 REAR HANDLE ASSEMBLY FOR DC BRAKE
MODELS:
9.1 Reverse steps and procedures described in sec-
tion 8. Connect wiring to noted locations from
step 8.3.
10 REAR HANDLE DISASSEMBLY FOR ME-
CHANICAL BRAKE MODELS:
10.1 Remove hex head screws (items 99 and 119).
10.2 Remove handle cover (item 117) and gasket
(item 116).
10.3 Disconnect input wiring from terminals on push
button switch (item 100). Make note of wiring
connection locations for re–assembly.
10.4 Remove socket head screws (item 115) and
switch mounting plate (item 101).
10.5 Remove cheese head screws (item 102) and
push button switch (item 100) from switch
mounting plate (item 101).
10.6 Remove socket head screws (items 36 and 114),
handle gaskets (items 109 and 112) and rear han-
dle (item 108).
10.7 Remove trigger bushing (item 106), dowel pin
(item 103) and u–cup seal (item 107) from rear
handle.
10.8 Press dowel pin (item 110) from handle and re-
move trigger lever (item 111).
10.9 Inspect all parts for wear and replace if neces-
sary.
11 REAR HANDLE ASSEMBLY FOR MECHANI-
CAL BRAKE MODELS:
11.1 Reverse steps and procedures outlined in section
10. Connect wiring to noted locations from step
10.4.
12 FRONT HANDLE TRIGGER DISASSEMBLY:
12.1 Remove rear handle cover as described in sec-
tion 8, steps 8.1 and 8.2.
12.2 Disconnect wiring from front handle switch as-
sembly (item 50) at terminal block located in-
side rear handle assembly. Make note of wiring
connection locations for re–assembly.
12.3 Remove conduit assembly (item 88).
12.4 Remove (3) socket head screws (item 94).
12.5 Remove front handle assembly.
12.6 Remove oval head screws (item 46), front han-
dle switch cover (item 47) and switch cover seal
(item 48).
12.7 Pull out switch assembly (item 50) and o-ring
(item 49).
12.8 Remove socket head screws (item 3) and hanger
bracket (item 53
).
12.9 Remove socket head screws (item 58) and hang-
er bracket halves (items 54 and 57).
12.10 Remove (2) threaded pins (item 93) and trigger
lever (item 87).
12.11 Remove pan head screws (item 89), flat washer
(item 90) and spring (item 91).
12.12 Inspect parts for wear and replace if necessary.
13 FRONT HANDLE TRIGGER ASSEMBLY:
13.1 Reverse steps and procedures outlined in section
12. Connect wiring to noted locations from step
12.2.
