TYM T233 HST, Service Manual

Page: 172 / 232

4)DISASSEMBLY
NOTE:
①
Before disassembling the pump, wash the
outside clean.In the course of disassembling
operation, all disassembled parts should be
kept aside in a clean place such as on clean
paper or cloth and be handled carefully so as
to prevent them from becoming dirty or
damaged.
Check all disassembled parts for damage and
wash undamaged or usable parts in clean
diesel fuel or kerosene. Inspect all parts
referring to these point,and repair or replace
defective parts.
(1)DISASSEMBLY
①
Remove the key.
③
Remove front and rear pump.
Be sure not to be damaged the o-ring or steel
ball
Fig. 9-16 Front and rear pump
④
Remove the rear pump
▶
Detach the cover
▶
Remove the o-ring
▶
Remove the bushing,drive gear,gear and
bushing.Take care of removing the bushing
which is marked and recorded.
▶
Remove the bushing seal from the bushing.
Fig. 9-14 Drive shaft key.
②
Hold the pump in a vice with the
mounting flange turned downward, and
remove the bolts
Fig. 9-15 Cover bolt
9-11
Fig. 9-17 Front and rear pump
⑤
Remove the front pump same as rear
pump disassembly.
⑥
Remove the snap ring and extract oil
seal from the flange.
Fig. 9-18 Front and rear pump