A
B
C
D
E
Use a continuous thin
film of Loctite
®
603 or
equivalent to bond one
bearing on each gear.
Apply where arrows
indicate.
Note: Wait 10 minutes with
the housing in this position,
to ensure proper bond.
Install brake hub and
rotate to ensure a proper
bond.
Do not bond
bearings on
this side of
gears.
Use a continuous
thin film of Loctite
®
603 or equivalent.
(Dwg. MHP2644)
NOTICE
• Before following instructions A and C on dwg. MHP2644 place Loctite®
“Activator” 7649 on all gear axles and holes in housing gears go through.
6 HP Motor
Refer to Dwg. MHP2999.
1. Clean the grease from bearings (78) and install bearings (78) on drive gears (80),
(154) and idle gears (79) if replacement is necessary. Follow instructions 3 to 12
for bearing installation.
2. Clean interior and exterior diameter of bearings with Loctite® 7063 or equivalent.
NOTICE
• Refer to Dwg. MHP2644 for instructions on Loctite placement, follow these
instructions for all bearings on each gear. Place Loctite® “Activator” 7649
on all gear axles and holes in housing gears go through.
3. Put a continuous thin film of Loctite® 603 or equivalent on interior diameter of
bearings (78). Refer to Dwg. MHP2644 on page 15,
A.
Use a continuous thin film
of Loctite® 603 or equivalent to bond one bearing on each gear. Apply where
arrows indicate;
B.
Do not bond bearings on this side of gears;
C.
Use a continuous
thin film of Loctite® 603 or equivalent;
D.
Note: Wait 10 minutes with the housing
in this position, to ensure proper bond;
E.
Install brake hub and rotate to ensure
a proper bond; for correct application locations.
4. Put a continuous thin film of Loctite® 603 or equivalent on bearing diameters on
drive gears (80) and (154) then install bearings (78).
5. Install a second bearing (78), not bonded, on drive gears (80) and (154).
6. Put a continuous thin film of Loctite® 603 or equivalent on interior diameter of
bearings (78).
7. Put a continuous thin film of Loctite® 603 or equivalent on bearing diameters on
idle gears (79) and install bearings (78).
8. Install a second bearing (78), not bonded, on idle gears (79).
9. Put a continuous thin film of Loctite® 603 or equivalent in bearing bores in the
motor housing (76).
10. Install drive gear (80) and idle gear (79) into motor housing, ensure the drive
gear and idle gear are completely inside motor housing and leave the motor
housing in a position as shown on Dwg. MHP2644 on page 15 for 10 minutes.
11. Turn the gears with splined hub and a tool. Check bearings do not rotate on
bonded diameters and gears rotate freely.
12. Install exhaust pipes (60) with ‘O’ rings (45).
13. Lubricate and install ‘O’ rings (70) on motor housing (76).
14. Lubricate and install ‘O’ rings (71) in motor case (222).
15. Install motor cover (222) on motor housing (76).
16. Install and tighten screws (156). Install screw with Loctite® 243 or equivalent.
17. Install valve (86), valve (87) and spring assembly (221) in motor cover (83).
18. Install exhaust washer (81) in motor cover (83).
19. Put a continuous thin film of Loctite® 603 or equivalent in bearing bores in the
motor cover (222).
20. Install drive gear (154) and idle gear (79) into motor cover, ensure the drive gear
and idle gear are completely inside motor cover and leave the motor cover in a
position as shown on Dwg. MHP2644 on page 15 for 10 minutes.
21. Turn the gears with splined hub and a tool. Check bearings do not rotate on
bonded diameters and gears rotate freely.
22. Install motor cover (83) on motor cover (222). Install capscrews (90) with
Loctite® 243 or equivalent. Refer to “TORQUE CHART” on page 19 for torque
requirements.
23. If removed during disassembly install overload valve (77), ‘O’ rings (53) and ball
(47).
For Motor without Emergency Stop and Overload
1. Install gasket (91) on motor cover (83).
2. Install cover (92) and secure with capscrews (34). Refer to “TORQUE CHART”
on page 19 for torque requirements.
3. If pendant adapter plate (605) or (613) or rope control block (313) or (405) was
removed from motor cover (83), refer to pendant assemblies for installation.
For Motor with Emergency Stop and Overload (optional feature)
Refer to Dwgs. MHP3037 and MHP3038.
1. Lubricate and install ‘O’ ring (201) and seal (189) on base plate (199).
2. Lubricate and install ‘O’ ring (197) to plunger (198).
3. Install diaphragm (196), washer (195) with stop nut (194) on plunger (198) and
insert into base plate (199). Ensure plunger assembly moves freely in bore of base
plate.
4. Insert base plate (199) with plunger into motor cover (83).
5. Lubricate and install ‘O’ rings (204) on valve seat (205).
6. Place washer (206), diaphragm (212), cap (211), seal (203), sleeve (209) and
washers (206) and (208) onto capscrew (62) and insert into valve seat (205).
Apply a thin film of Loctite® 243 or equivalent to capscrew threads. Do not over
tighten capscrew.
7. Place seal (210) and cap (202) on capscrew (62). Place spring (213) on cap (202).
8. Install valve seat assembly into end cover (183).
9. Lubricate and install ‘O’ ring (191) on regulating screw (192), insert into
emergency stop end cover (183) avoiding damage to the ‘O’ ring. Secure with
screw (102). Install screw with Loctite® 243 or equivalent.
10. Lubricate and install spring (193).
11. Install ‘O’ rings (187) to valve seat (186).
12. Insert axle (188) into valve seat (186) then install seals (189) on each end of
axle (188).
13. Insert valve seat (186) into emergency stop end cover (183).
14. Insert ball (47) into emergency stop end cover (183).
15. Install gasket (91) on motor cover (83).
16. Install emergency stop end cover (183) on motor cover (83) with capscrews (103).
Refer to “TORQUE CHART” on page 19 for torque requirements.
17. Insert plug (182) if removed during disassembly.
18. Install setscrew (180) in emergency stop end cover (183).
19. If pendant adapter plate (605) or (613) or rope control block (313) or (405) was
removed from motor cover (83), refer to pendant assemblies for installation.
n
Remote Two Function Pendant Assembly
Refer to Dwg. MHP3039 with emergency stop or MHP3040 without emergency stop.
1. Lubricate and install ’O’ rings (53) and (171) along with protector (170) on valves
(165). Install valve assemblies in handle (514).
2. Install setscrews (173).
3. Install levers (503) in pendant handle (514) with pin (502). Stake pin in pendant
handle at both ends to secure.
4. Install screws (504) in levers.
5. Install balls (47) and springs (46) in handle (514). Secure in position with plugs
(518).
6. On pendants with emergency stop, install emergency stop button (164). On
pendants without emergency stop, install plug (615).
7. Install exhaust washer (513) and secure in handle with retainer ring (512).
8. Lubricate and install new ’O’ rings (70) on motor cover (83) for pendant or rope
control assembly.
9. Ensure valves move freely in the bores of the motor cover.
10. Align gasket (607) with motor cover (83). Ensure ’O’ rings are not damaged.
11. Align and install adapter plate (605) with capscrews (604) and lockwashers (75)
to motor cover (83).
12. Adjustment:
a. Connect the inlet of the pendant to 100 psi (7 bar) air supply.
b. Connect a manometer at the outlet of the lever to be adjusted.
c. Apply a small amount of Loctite® No. 243 on the adjustment screw (504).
d. Tighten the adjustment setscrew to obtain a pressure of 15 psi (1 bar) without
actioning the lever.
e. Release the adjustment setscrew by a half turn (pressure must fall to zero).
f. Push the lever. Check that pressure reaches 93 +/-7 psi (6.5 +/- 0.5 bar).
Check that there is no leak at the exhaust.
g. Release the lever, exhaust must occur and result in rapid pressure reduction.
h. Repeat operations ‘f’ and ‘g’, 2 to 3 times.
i. Disconnect the manometer. Check to ensure that there are no leaks when the
lever is not activated.
j. Repeat the operations from ‘12b’ to ‘12i’ with each lever.
n
Remote Four Function Pendant Assembly (optional feature)
Refer to Dwg. MHP3062 with emergency stop or MHP3061 without emergency top.
1. Assemble protectors (170) and ‘O’ rings (53) and (171) on valves (165).
2. Insert valve (165) assemblies into pendant handle (514) and attachments (right)
(524) and (left) (523).
3. Install levers (503) with pin (502) in pendant handle (514).
4. Install capscrews (525) and (527) in pendant handle and attachments (right) and
(left).
5. Install balls (47), springs (46) and plugs (518) into pendant handle and
attachments (right) and (left).
6. Install plug (615) or emergency stop valve (164) into pendant handle.
7. Install fittings (603) into top of pendant handle and attachments (right) and
(left). Install lifting eye (501) into top of pendant handle.
8. Facing pendant handle operation side, place levers (522) such that lever direction
indicates ‘UP’ on left hand side and ‘DOWN’ on right hand side. Install pin (529)
ensuring pin inserts through levers and locates on opposite side of pendant
handle.
9. Lubricate and install ‘O’ rings (528) in recesses on sides of pendant handle (514).
Form MHD56279 Edition 4
15
