Note: the 0-ring sealing the coolant passage between the pump and the crankcase lower section, also the 0-ring around the pump drive shaft rear end; both of these should be renewed whenever they are disturbed.
Next Section: 10: Cooling fan: removal, examination and refitting
9.3 Remove bottom hose prior to oil/water pump removal
9.4a Remove pump front cover retaining screws...
9.4b ...to expose pump body mounting screws
9.5a Use an Allen key to hold the pump shaft when slackening impeller nut or bolt
9.5b Remove impeller to release pump shaft
9.6 Pump mechanical seal is fitted behind impeller
9.11 Always renew O-ring around coolant passage