Jarvis MCS 300 Manual - page 14
maintenance instructions
Model MCS 300
page 14 of 16
®
JARVIS
6201010:.
PRODUCTS CORPORATION
33 ANDERSON ROAD, MIDDLETOWN, CONNECTICUT 06457--4926
UNITED STATES OF AMERICA E--MAIL.
jarvis.products.corp@snet.net
TEL. 860--347--7271 FAX. 860--347--6978 WWW. j
arvisproducts.com
Figure 4
Bearing Cone Clearance
and Backlash Adjustment
Place or Remove Shims Here to Set
Bearing Cone Clearance
Spacer
Bearing Cone Clearance Setting
Bearing Cone
Spur Gear
Notes
1. Set bearing cone clearance.
IF tight, add shims to achieve proper fit.
IF loose, remove shims to achieve proper fit.
2. Backlash of crown gear should be 0.004” to 0.005”.
3. Use Loctite 271 on threads of spur and crown gear pins.
4. Pack all bearing cones and cups with Jarvis 1315 White
Grease when clearance adjustments are completed.
Spur Gear
Housing
Bearing Cup
Place Shims Here to Set Bearing
Crown Gear Backlash
Planetary
Housing
Crown
Gear
7.1.14 After determining the correct amount of
shims (item 46), remove the crown gear as-
sembly and shims (items 46--54).
7.1.15 Pack bearing cones and bearing cups with
Jarvis 1315 White Grease.
7.1.16 Reinstall crown gear assembly and shims.
Apply Loctite 271 to threads of crown gear
pin (item 54).
For all Tools:
7.1.17 Fill the cavity of spur gear housing (item 18)
with Jarvis 1315 White Grease.
7.1.18 Make sure beveled end of retaining ring
(item 16) is facing toward spur gear housing
(item 18) when installing into spur gear
(item 13). See Figure 5.
7.1.19 Apply Loctite 271 on threads of spur gear
pin (item 14).
7.1.20 Make sure o--rings (items 11 and 17) are
seated and installed properly in grooves of
spur gear housing (item 18) and spur gear
pin (item 14). Apply a light coat of Jarvis
1315 White Grease to o--rings to keep them
in place when assembling, if necessary.
SPUR GEAR
NOTE BEVEL
DIRECTION
RETAINING
RING
Figure 5
SPUR GEAR PIN
GEAR HOUSING
BALL BEARING
8 PLANETARY HOUSING DISASSEMBLY:
8.1 Separate planetary housing assembly (items
24--44) as a complete unit from spur gear hous-
ing (item 18). Follow steps and procedures out-
lined in section 6, steps 6.1--6.6.
8.2 Remove flat head screw (item 37) and pinion
gear washer (item 36).
8.3 Remove planetary gear assembly (items 35 and
38--41) from pinion gear (item 43). Lightly tap
motor housing end of planetary housing (item
45) with nylon mallet to dislodge planetary gear
assembly if necessary.