Quantcast Fig. 6.  Locking Hub (Manual Type with Hex Head Mounting Bolts) (Exploded View)

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Page Title: Fig. 6. Locking Hub (Manual Type with Hex Head Mounting Bolts) (Exploded View)
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Fig. 5.  Three Stage Operation of Spring Loaded Manual Locking Hub
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TM-5-4210-230-14P-1 Aerial Ladder Fire Fighting Truck Manual
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Fig. 7.  Removing Axle Shaft Hub
TRUCK SERVICE MANUAL TM 5-4210-230-14&P-1 AXLES-FRONT Fig. 6.  Locking Hub (Manual Type with Hex Head Mounting Bolts) (Exploded View) Key Description 1 RING, Snap 2 GASKET, Hub 3 BODY, Hub 4 HUB, Axle Shaft 5 RING, Snap 6 RING, Clutch 7 SCREW, Flat Head, 1/4 NC 8 SCREW, Clutch 9 DISC 1-3/4 10 SEAL, O-Ring 3. To avoid excessive torque loads on the rear axle, DO NOT   drive   vehicle   equipped   with   manual-locking hubs  in  low  range  of  transfer  case  with  hubs  set  in "FREE" position.  This does not apply to the Lock-O- Matic  hub,  because  it  automatically  locks  the  wheel with the axle shaft when torque is applied.  Therefore, no increased load is placed on the rear axle. 4. During  vehicle  operation  arrow  in  center  of  control must always point directly to one of the red dots on the rim of the hub.  Also, both hubs must be set the same. REMOVAL Locking   hubs   are   either   mounted   with   hex   head   bolts   or socket head (Allen) set screws.  The locking hubs with the hex head bolts are secured with lock washers which are equipped with locking tabs. Bend   tabs   out   of   the   way   of   bolt   head   (if   equipped)   and remove mounting bolts. CAUTION: Use only thin-wall sockets to remove the hex head bolts.  Heavier sockets may force in the  recessed  wall  of  the  locking  hub.    Lift  off  clutch  body, being   careful   not   to   allow   drive   pins   to   fall   out   of   body. Remove lock ring holding hub body onto axle shaft and pull Key Description 11 PIN, Drive 12 GASKET, Clutch Body 13 BODY, Clutch 14 WASHER 15 BOLT, HexHead, 3/8 NF 16 CONTROL, Assembly 17 SEAL, Oil, Outer 18 Not Used 19 PIN, Stop 20 PIN, Dowel off hub body.  If it is necessary to remove drag shoe from axle spindle,  loosen  hex  head  set  screw  and  unscrew  drag  shoe from spindle. DISASSEMBLY NOTE: All key numbers used in "DISASSEMBLY"  and  "REASSEMBLY"  of  the manual  type  locking  hub  (not  spring-loaded) refer to Fig.  6. The   spring-loaded   manual   type   locking   hub   disassembly procedure  is  much  the  same  as  the  non-spring  loaded  type hub, except the clutch ring assembly (Item 7, Fig. 11) is one assembly, and the ring and drive pin cannot be removed from the clutch ring.  The control assembly (Item 15, Fig. 11) and the   clutch   screw   cannot   be   separated   like   the   non-spring loaded type hub assembly. Hub Body (Manual Type) To disassemble hub body (3), remove snap ring (1) using the proper pliers.  The axle shaft hub (4) may be pulled from hub body (3) noting from which side of the hub body the axle shaft hub  is  extracted,  Fig.  7.    Needle  bearing  assembly  may  be removed from hub body (3) if necessary. CTS-2209-H  Page 4 PRINTED IN UNITED STATES OF AMERICA

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