maintenance instructions
Model SEC 280--4
page 22 of 24
JARVIS
PRODUCTS CORPORATION
33 ANDERSON ROAD, MIDDLETOWN, CONNECTICUT 06457-4926
UNITED STATES OF AMERICA
TEL. 860-347-7271
FAX. 860-347-6978
6204009::::
®
8.4.1 Remove dowel pin (item 72).
8.4.2 Remove pan head screw (item 70).
8.4.3 Remove switch activating lever (item 73)
and electric switches (item 69) from switch
holder (item 71).
8.5 Remove rear handle (item 76).
8.6 Remove internal retaining ring (item 66), ring
washer (item 67) and diaphragm seal (item 68).
8.7 Press dowel pin (item 80) from handle and re-
move trigger lever (item 81).
8.8 Remove spring (item 77).
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 in step
8.3.
10 REAR HANDLE DISASSEMBLY FOR ME-
CHANICAL BRAKE MODELS:
10.1 Remove hex head screws (items 96 and 118) and
washers (item 117).
10.2 Remove rear handle cover (item 116) and gasket
(item 115).
10.3 Disconnect input wiring from terminals on push
button switch (item 97).
Make note of wiring
connection locations for re--assembly.
10.4 Remove socket head screws (item 114) and
switch mounting plate (item 98).
10.5 Remove cheese head screws (item 99) and push
button switch (item 97) from switch mounting
plate (item 98).
10.6 Remove socket head screws (items 34 and 113)
and rear handle (item 105).
10.7 Remove dowel pin (item 100), trigger bushing
(item 103) and u--cup seal (item 104) from rear
handle.
10.8 Press dowel pin (item 107) from handle and re-
move trigger lever (item 108), spring (item 109)
and spring plunger (item 110).
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
steps 10.3 and 10.4.
12 FRONT HANDLE TRIGGER DISASSEMBLY:
12.1 Remove rear handle cover as described in sec-
tion 8, step 8.1.
12.2 Disconnect wiring from front handle switch as-
sembly (item 46) at terminal block located in-
side rear handle assembly.
Make note of wiring
connection locations for re--assembly.
12.3 Remove conduit assembly (item 87).
12.4 Remove (3) socket head screws (item 93).
12.5 Remove front handle assembly.
12.6 Remove oval head screws (item 43), front han-
dle switch cover (item 44) and switch cover seal
(item 45).
12.7 Pull out switch assembly (item 46) and o-ring
(item 48).
12.8 Remove socket head screws (item 1) and hanger
bracket (item 51
).
12.9 Remove socket head screws (item 56) and hang-
er bracket halves (items 52 and 55).
12.10 Remove (2) threaded pins (item 92) and trigger
lever (item 86).
12.11 Remove pan head screw (item 88), flat washer
(item 89) and spring (item 90).
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.
