4.0
PERIODIC M AINTENANCE
Before doing any maintenance work on
the WCB unit, make sure that the
machinery will remain in a safe position.
Failure to do so could result is serious
injury or possibly death.
Only qualified maintenance personnel
should install, adjust or repair these WCB
units. Faulty workmanship will result in
unreasonable exposure to hazardous
conditions or personal injury.
Read these instructions thoroughly and
review until you fully understand the
parts replacement steps before proceed-
ing with the work described in this
section. Failure to follow these instruc-
tions can result in unreasonable
exposure to hazardous conditions or
personal injury.
4.1
Wear Adjustments (WCB,s w/Stop
Tubes)
4.1.1
Single disc WCB,s
Note: Item numbers (#) are show n on
Figure 3.
4.1.1.1
There is no adjustment for single disc
elements. When the pressure plate (13)
bottoms against the stop tubes (59) , replace
friction material and inspect w ear plates for
w ear. See section 6.0.
Note: Stop tubes may be added to 18, 24 &
36 WCB single elements that did not originally
come equipped w ith stop tubes. Order Item
(58), (59) and (80) from parts list for WCB
elements including stop tubes.(Part lists’
alpha-numeric number ends w ith " E" .)
See section 9.0.
4.1.2
Dual, Triple & Quad disc WCB’s
Note: Items (#) referenced in Figures
4, 5 and 6.
4.1.2.1
Dual disc elements have one adjustment, triple
disc elements have tw o adjustments and quad
disc elements have three adjustments. Follow
the w ear spacer adjustment procedures in
section 4.1.3 for each adjustment made.
Note: Stop tubes may be added to 18, 24 &
36 WCB multi disc elements that did not
originally come equipped w ith stop tubes. Or-
der Items (58), (59) & (80) from parts list for
WCB elements including stop tubes. Part lists’
alpha-numeric number ends w ith " E" . See sec-
tion 9.0.
4.1.3
Wear adjustment procedures (Multi disc)
Note: Item numbers (#) are show n on
Figures 4, 5 and 6.
Note: On all units, the friction material must be
replaced w hen w orn to the bottom of the
groove on the friction lining. See Figure 11.
See Table 17 in Section 7.0 for new w ear
groove depth.
4.1.3.1
Disconnect air and w ater supply lines from the
tensioner.
4.1.3.2
While supporting the cylinder (19), loosen the
locknuts (18) ONE TURN AT TIME and in an
alternating (crossw ise) pattern until the spring
force is completely relieved. Remove the
locknuts and w ashers (17). Mark all of the
w ater outlet ports for identification. Deep w ell
sockets are required. See table 9 for size and
depth of socket required.
4.1.3.3
Using lifting equipment, carefully remove the
cylinder (19) and piston (33) as an assembly.
Set aside in a clean area. (Piston side up.)
Note: If a stud (6) should happen to come
loose, remove it completely, clean the threads
on the stud and the threads in the mounting
flange. Apply Locquic
®
Primer Grade " T" to the
stud threads. After the threads have dried,
assemble to the mounting flange using Loctite
®
#262. The end of the stud must not extend
past the mounting surface of the mounting
flange.
PDF FORMAT
16
© Copyright Eaton Corp., 1995. All rights reserved.
Summary of Contents for 146246A
Page 5: ...18 24 36 WCB Single Disc Figure 4 PDF FORMAT 4 Copyright Eaton Corp 1995 All rights reserved ...
Page 6: ...18 24 36 WCB Dual Disc Figure 5 PDF FORMAT 5 Copyright Eaton Corp 1995 All rights reserved ...
Page 7: ...18 24 36 WCB Triple Disc Figure 6 PDF FORMAT 6 Copyright Eaton Corp 1995 All rights reserved ...
Page 8: ...Figure 7 18 24 36 WCB Quad Disc PDF FORMAT 7 Copyright Eaton Corp 1995 All rights reserved ...