For pumping nipple balls often use Bicycle pump with a special needle. But it does not matter if it broke or its just not there at hand: with this work well covered by a normal Bicycle nipple off a rubber tube mounted with its threaded shank in the hole of the pump.
Recommend to read
COUNTRY-STYLE AND QUITE SUCCESSFUL
The designer of this small truck — Yevgeny Nikitovich Yevsikov is already known to our readers from the publication «Plows, carries and even saws» (see «Modelist-Konstruktor» No. 5, 2002)....
“RESUSCITATION” BOOTS
Did not dare to write in a journal until I met a few tips, which at the time he thought of and successfully used. So we are — with a mustache? I am sending your advice on how to repair...