Here are a few bits for you. I'm the same way, love to read everything I can before beginning the job.
From Comments and Suggestions With Respect to All Lodge Officers:
"The duties of every Chaplain must begin with the essential characteristics of reverence for all that the mantle of charity means in such an institution as is ours. Acts of charity merit reverent care, and he who holds them in reverence and preserves the memory of them is a Chaplain indeed."
The prayers in our Ritual are given in the Monitor, but quite often the Chaplain is called upon to lead us in devotion at dinners, banquets, or public places. He should be careful to phrase his prayers, grace, invocations and benedictions in words acceptable to all faiths. All faiths believe in a Supreme Being, so it is safe to address his prayers to a Heavenly Father or Supreme Architect of the Universe. As Freemasonry is composed of men of various faiths, this should be taken into consideration particularly by the Chaplain.
From The Duties of Wardens and Other Officers:
It is the special duty of the Chaplain to conduct the devotions of the Lodge, and to present before the throne of Heavenly Grace the spiritual needs of the Brethren.
From The Duties (excerpts from Masonic Jurisprudence)
Reverend Brother______, you are appointed Chaplain of this Lodge. It is your duty to perform those solemn services which we should constantly render to our Infinite Creator. In this sacred work, point and lead the Brethren to God and duty by your life.
From The Charge, when Instituting a Lodge Under Dispensation:
Reverend Brother______, you are appointed Chaplain of this Lodge. It is your duty to perform those solemn services which we should constantly render to our Infinite Creator. In this sacred work, point and lead the Brethren to God and duty by your life.
From The Annual Installation of Officers:
Reverend Brother, you are appointed Chaplain of this Lodge, and I invest you with the Jewel of your office.
It is your special duty to conduct the devotions of the Lodge, and to present before the throne of Heavenly Grace the spiritual needs of your Brethren. In all your intercourse with your Lodge, it is expected that you will "point to Heaven and lead the way."